Mouth disorder

This early-stage trial is testing an experimental drug called EVOLVE104 in people with advanced bladder cancer or several types of squamous cell carcinoma (lung, esophagus, skin, and others). The study aims to find a safe dose and see if the drug can shrink tumors. It is for pati…

This study tests whether curing (hardening) the bonding agent before placing dental sealants helps them stay on children's molars longer. Sealants are a standard way to prevent cavities, but they can wear off over time. Researchers will compare sealants placed with cured bond ver…

This phase II trial is testing whether adding chemotherapy or chemo-immunotherapy before standard salvage surgery can improve outcomes for patients with PD-L1 positive head and neck cancer that has come back. About 180 participants will receive either carboplatin and paclitaxel, …

This phase II trial is testing whether the immunotherapy drug pembrolizumab (Keytruda) alone can work better than the usual combination of chemotherapy and radiation after surgery for head and neck cancer that has come back or is a new primary tumor. About 188 adults aged 18-79 w…

This study compares standard radiation plus cisplatin against two experimental approaches: radiation with docetaxel and cetuximab, or radiation with cisplatin and the immunotherapy drug atezolizumab. About 613 patients with high-risk stage III-IV head and neck cancer will partici…

This trial compares two treatments for white spot lesions—early cavities that appear as milky-white marks on front teeth after braces. One treatment uses a special paste (MI Paste Plus) combined with etching, while the other uses a resin infiltration technique (Icon). The study i…

This study tests whether ozone therapy, followed by a remineralizing gel, can reverse the earliest stage of cavities in children aged 6-14. Half of the 80 participants will get ozone plus gel, the other half just gel. Researchers will check the teeth over 8 weeks using special li…

This early-phase trial is testing a new drug called MTS109, made with mRNA technology, for people with moderate to severe autoimmune diseases like lupus and scleroderma. Fifteen participants will receive several injections over a month to see if it is safe and tolerable. The goal…

This study compares a new flexible white dental crown (BioFLX) to the standard stainless steel crown for treating cavities in baby molars. Researchers want to see if the white crown works just as well as the metal one in terms of gum health, plaque buildup, wear, and staying in p…

This study tests two different medicines placed inside root canals to kill bacteria in teeth with chronic infection. 24 adults with infected molars will receive either a bioceramic or a calcium hydroxide paste. Researchers measure bacterial levels before and after treatment to se…

This study is testing the drug T-DXd (Enhertu) in 100 adults with advanced HER2-positive solid tumors who have already tried other treatments and have no good options left. The goal is to see how well the drug works in real-world settings, including how many patients respond and …

This study looks at whether placing a permanent crown on a dental implant right away (immediate loading) works as well as waiting 4 weeks (early loading) for lower first molars. About 100 adults who need a tooth removed and replaced will get an implant 12-16 weeks after extractio…

This study tests whether tofacitinib, a drug already used for rheumatoid arthritis, is safe and helpful for people with Sjogren's disease. About 60 adults with mild-to-moderate Sjogren's will take the pill twice daily for 28 weeks. Researchers will track side effects and measure …

This phase II trial is testing whether the combination of cabozantinib (a targeted therapy) and nivolumab (an immunotherapy) can shrink or stabilize advanced melanoma and head and neck cancers that have stopped responding to prior immunotherapy. Researchers are also checking if t…

This phase II trial is testing whether newer targeted drugs (trastuzumab emtansine and trastuzumab deruxtecan) work better than standard chemotherapy plus trastuzumab for people with HER2-positive or HER2-low salivary gland cancer that has come back, spread, or cannot be removed.…

This trial investigates whether combining two drugs, camrelizumab and famitinib, can help people with rare head and neck cancers that have spread or cannot be removed by surgery. The study includes four types of these cancers and aims to see how safe and effective the treatment i…

This study tests whether a self-assembling peptide called P11-4 can help remineralize white spot lesions—early signs of tooth decay—on smooth tooth surfaces. Seventy-five participants aged 10 to 17 will be split into three groups: one gets a single peptide application, another ge…

This phase 2 trial tests whether giving two drugs, cemiplimab and cetuximab, before salvage surgery can help control recurrent oral cavity squamous cell carcinoma. The study involves 17 adults whose cancer has returned at least 3 months after prior treatment. Researchers will mon…

This early-stage study tests a new drug (GSK5926371) in people with lupus and similar autoimmune diseases. The drug is designed to target and calm specific immune cells that attack the body. The main goal is to check if the drug is safe and how the body handles it, with 54 adults…

This study tests whether a less invasive surgery called sentinel lymph node biopsy can replace standard neck dissection for early-stage oral cavity cancer. About 686 patients will be randomly assigned to one of the two procedures. The goal is to see if the gentler approach mainta…

This study tests the drug lenalidomide in 42 adults with Behçet's syndrome who have stubborn mouth ulcers. Participants take 10 mg of lenalidomide daily for 12 weeks, then stop for 4 weeks of observation. The main goal is to see if the ulcers completely disappear by week 12.

This study tests whether custom 3D-printed titanium implants can safely and effectively rebuild facial bones in 30 adults with defects from injury, cancer surgery, or birth conditions. Each implant is designed from CT scans to match the patient's unique anatomy. Researchers will …

This trial compares two types of full-arch dental implant frameworks—one made from a single piece of zirconia and the other from titanium with a zirconia top—in people who have lost all teeth in one or both jaws. The goal is to see which material leads to fewer mechanical problem…

This study compares two treatments after surgery for stage III-IVA head and neck cancer: radiation alone versus radiation plus the chemotherapy drug cisplatin. The goal is to see which approach better prevents the cancer from returning, especially in patients with certain TP53 ge…

This study is for people who have both an autoimmune disease (like rheumatoid arthritis, lupus, or multiple sclerosis) and an advanced cancer that has spread or cannot be removed by surgery. It tests the safety and effectiveness of the immunotherapy drug nivolumab, given alone or…

This study compares two methods for treating cavities in children's back molars: the Hall Technique, which places a crown over the tooth without drilling or numbing, and the conventional method, which requires drilling and anesthesia. Researchers will track 200 children aged 5-8 …

This study tests a new device that delivers a special type of radiation directly into skin tumors. The goal is to see if it can shrink or control the cancer. The study is for adults with certain types of skin cancer, including squamous cell carcinoma and basal cell carcinoma. Par…

This study tests a device called DaRT that delivers a unique type of radiation (alpha particles) directly into tumors. It is designed for people with certain skin cancers, mouth cancers, or soft tissue sarcomas that are accessible for direct injection. The goal is to see if this …

This early-phase study tests a new drug called OM336 in 39 adults with active Sjogren's disease or idiopathic inflammatory myopathy who have not improved with at least two prior treatments. OM336 is an engineered antibody designed to target and potentially reduce harmful immune c…

This study tests whether adding cetuximab to standard immunotherapy (pembrolizumab) helps people with advanced head and neck cancer that has stopped responding to platinum chemotherapy live longer. About 158 adults with cancer that has returned or spread will receive either pembr…

This study looks at whether vitamin D levels and supplements can reduce inflammation in people with gum disease (periodontitis or gingivitis). Researchers will measure markers of inflammation in blood and gum fluid before and after treatment. The study involves 120 adults with di…

This early-phase trial is testing whether a drug called camonsertib, combined with a precise type of radiation, can help control head and neck cancers that have come back or cannot be removed by surgery. About 39 adults with these cancers will receive the drug along with focused …

This study looks at whether the position of a deep cavity (on the chewing surface or between teeth) affects how well a tooth-saving procedure called direct pulp capping works. Researchers will treat 154 people aged 15-40 with reversible pulpitis, a condition where tooth pain goes…

This study tests whether microneedling (tiny needle pricks) done before a standard gum surgery can help cover exposed tooth roots in people with thin gums. Thirty-six adults with receding gums will either get microneedling followed by surgery, or surgery with a tissue graft from …

This study tests a single surgery that combines sinus endoscopy with oral surgery to treat sinusitis caused by dental issues. 36 adults who haven't improved with standard dental or medical care will receive this procedure. The goal is to see if this combined approach works better…

This study tests an experimental drug called IMVT-1402 in 180 adults with moderate to severe Sjögren's disease. Participants receive either the drug or a placebo as a weekly injection under the skin for 24 weeks. The goal is to see if the drug can reduce overall disease activity …

This phase 2 trial tests a drug called zanidatamab in about 200 adults with advanced HER2-positive cancers, including breast, lung, stomach, and others. Participants have already tried at least one standard treatment. The study measures how many tumors shrink or disappear. Zanida…

This study tests whether adding the drug BMS-986504 to standard chemotherapy can help control pancreatic cancer in people with a specific genetic change (MTAP deletion). About 60 adults with this type of pancreatic cancer will receive the combination before and after surgery or w…

This Phase 3 study tests whether telitacicept, a biologic drug given as a shot, can reduce disease activity in adults with active primary Sjögren's disease. About 250 participants will receive either telitacicept or a placebo for 48 weeks. The main goal is to see if the drug impr…

This study is testing whether taking the antibiotic metronidazole and using a chlorhexidine mouth rinse for 10 days before surgery can lower the amount of bacteria living inside oral cancer tumors. The researchers will compare bacteria levels before and after treatment in 30 adul…

This study looks at two types of tooth-colored filling materials (ormocer and methacrylate-based bulk-fill) and different polishing methods for cavities near the gum line (class V). About 25 adults with these cavities will receive fillings and be followed for 2 years to see which…

This early-stage study tests a new drug, GT801, in 22 adults with moderate to severe autoimmune diseases that haven't responded to standard treatments. The main goals are to check safety and find the right dose. Researchers will also look for signs that the drug helps control the…

This study tests whether adding an experimental drug (CDX-1140) to a standard immunotherapy (cemiplimab) before surgery can shrink advanced head and neck cancers more than the immunotherapy alone. About 44 people with stage III-IV head and neck cancer will receive either the comb…

This study is for people who had surgery for oral tongue cancer and need radiation to prevent recurrence. Instead of radiating the whole mouth, doctors will only target the neck lymph nodes, sparing the tongue. The goal is to see if this reduces severe mouth sores while keeping t…

This early-phase study tests a personalized cell therapy (rapcabtagene autoleucel) in 27 adults with difficult-to-treat rheumatoid arthritis or severe Sjogren's disease. The treatment uses a patient's own immune cells, modified to target and calm the overactive immune system. The…

This study tests a drug called afatinib in 25 adults with Fanconi anemia who have advanced head and neck cancer that cannot be removed by surgery. Afatinib is a pill that blocks a protein helping cancer grow. The goal is to see if it can shrink tumors and control the disease. Res…

This early-phase trial is testing a new biologic drug called XmAb657 in 60 people, including healthy volunteers and those with autoimmune diseases like scleroderma, Sjögren's disease, and idiopathic inflammatory myopathies. The main goal is to check safety and how the body handle…

This phase 2 trial tests a therapy called AlloNK, made from donor cord blood immune cells, combined with the drug rituximab. It aims to see if this combination is safe and can help people with severe forms of rheumatoid arthritis, Sjögren's disease, myositis, or scleroderma that …

This early-stage study tests a new drug called SAR448501 (DR-0201) in 62 adults with lupus or rheumatoid arthritis. The drug is a bispecific antibody designed to target the immune system. The main goal is to check safety and find the right dose, not yet to prove it works. Partici…

This study compares two surgical techniques to treat gum recession on the lower front teeth. One method uses a flap moved forward plus a graft, while the other uses a different flap design plus a graft. Researchers will measure how much of the exposed tooth root is covered after …

This early-stage trial tests an investigational drug called ABBV-319 in 36 adults with lupus or Sjogren's disease. The drug is designed to deplete overactive B cells, which are part of the immune system that cause inflammation and symptoms. Participants receive two doses by IV, 2…

This early-phase study tests whether adding the experimental drug ipatasertib to standard chemotherapy and radiation is safe and effective for people with advanced head and neck cancer. Ipatasertib may help stop cancer cell growth. About 46 participants will receive the combinati…

This study is testing whether a special laser device (FX-405) can improve the treatment of gum disease when used along with standard deep cleaning (scaling and root planing). About 70 adults with moderate to severe gum disease will receive eight 10-minute laser sessions over five…

This early-phase trial tests AVA6000, a chemotherapy drug that is designed to activate only in tumors, potentially reducing side effects. About 158 adults with advanced solid tumors (like breast, ovarian, or salivary gland cancer) will receive the drug intravenously. The main goa…

This study tests whether using ultrasound during oral cancer surgery helps surgeons remove tumors more completely. About 150 adults with early-stage oral cancer will be randomly assigned to standard surgery or surgery guided by real-time ultrasound. The goal is to see if ultrasou…

This study is testing whether taking three oral chemotherapy drugs together is safe and practical for patients with head and neck cancer that has returned or spread. The trial focuses on people living in rural Midwest areas, making it easier for them to participate from home. The…

This study compares a standard 6-week radiation course after surgery to a shorter 3-week course for people with head and neck cancer. The goal is to see if the shorter schedule works just as well at preventing cancer from coming back. About 369 participants will be randomly assig…

This study tests whether it is safe to skip radiation to the lymph nodes in the neck after surgery for early-stage oral cancer. About 396 adults aged 18-70 with certain high-risk features will be randomly assigned to receive or not receive this radiation. The goal is to see if sk…

This study tests a new cleaning method (air-polishing with erythritol) against standard cleaning (ultrasound) to prevent white spots on teeth and gum inflammation in 60 teens aged 12-16 who are getting braces. Participants will be followed for 2 years to see which method works be…

This study compares two designs of zirconia dental implants—tissue-level and bone-level—for replacing a single missing premolar. Twenty-four adults with good oral health will receive one of the two implant types. Researchers will measure bone loss, gum health, and implant stabili…

This phase II trial tests whether a personalized, reduced-volume radiation plan can safely lower side effects after surgery for head and neck cancer. About 50 patients will receive radiation only to high-risk areas, skipping some traditionally treated zones. The goal is to see if…

This study looks at whether a toothpaste with a special gum-health ingredient can improve gum health in people with gingivitis. 150 adults will use the test toothpaste for 13 weeks, then switch to a regular fluoride toothpaste for 4 weeks. Researchers will measure gum inflammatio…

This study compares three treatments for painful mouth sores caused by oral lichen planus, a long-term inflammatory condition. Sixty adults will receive either a steroid cream (standard care) or one of two light-based therapies (photobiomodulation or photodynamic therapy) to see …

This study looks at the long-term safety of a drug called dazodalibep for people with Sjögren's syndrome, an autoimmune disease that causes dry eyes and mouth. About 844 people who completed a prior phase 3 study will receive the drug for up to 48 more weeks. The main goal is to …

This study looks at two treatments for receding gums. One uses a small piece of tissue from the roof of the mouth (the current standard). The other uses a membrane made from the patient's own blood. The goal is to see which method works better and lasts longer. The study needs 50…

This study tests whether using a smart electric toothbrush with an app and flossing can control gum inflammation as well as getting a professional dental cleaning. 92 adults with mild gum disease will be split into two groups: one uses the smart toothbrush alone, the other gets a…

This study tests whether a custom 3D-printed implant can safely drain jaw cysts, avoiding more invasive surgery. Twenty patients with odontogenic cysts near important jaw structures will receive the implant after a small surgical opening. The implant stays in place with tiny scre…

This study tests three new ways to deliver the chemotherapy drug cisplatin directly to tumors in the mouth or lungs. The goal is to kill cancer cells while reducing side effects on the rest of the body. About 40 adults with early-stage oral or lung cancer will receive the treatme…

This study tests a new type of dental filling called a bioactive bulk-fill composite for treating cavities in back teeth. Researchers will compare it to a standard filling in 34 adults, each receiving both types in similar cavities. The goal is to see if the new material improves…

This early study is testing a new treatment called CD19 CAR-T therapy for people with severe autoimmune diseases like lupus and scleroderma that haven't improved with standard medications. The therapy involves taking a patient's own immune cells, reprogramming them to target and …

This study tests giving chemotherapy and immunotherapy before standard surgery for head and neck cancer. The goal is to shrink tumors enough so that surgeons can perform less extensive, function-preserving operations, reducing damage to swallowing, speech, and vision. The trial e…

This study is testing whether people with early-stage HPV-positive throat cancer can be treated with radiation alone at a lower dose, instead of the usual full-dose radiation plus chemotherapy. The goal is to see if this gentler approach can keep the cancer from coming back while…

This study tests a new surgical method called 3D tunneling for treating multiple receding gums, comparing it to a standard technique using a gum graft. Researchers will enroll 36 adults with gum recession to see which approach better covers exposed roots and improves gum health. …

This study tests whether adding the targeted drug T-DM1 to standard chemoradiation can prevent HER2-positive salivary gland cancer from returning after surgery. About 37 adults with advanced but removable tumors will receive the drug alongside standard care. Researchers will trac…

This study tests whether a mouthwash made from black mulberry extract can improve gum health when used along with standard dental cleaning (scaling and root planing). Thirty adults with gingivitis will be split into two groups: one gets cleaning alone, the other adds the mulberry…

This study tests whether nisin, a natural preservative found in some foods, can safely change the bacteria in the mouths of people with oral cavity squamous cell carcinoma. About 40 patients will take nisin before and after their standard surgery. The goal is to find a safe dose …

This 8-week study tests whether using a compact water flosser (Bixdo A30 Pro) along with regular toothbrushing reduces gum inflammation and plaque better than brushing alone. About 165 adults with plaque-induced gingivitis will be randomly assigned to either use the water flosser…

This study compares two materials used to repair large cavities in back teeth: a hybrid resin composite and a hybrid ceramic onlay. Sixty-four adults with decayed molars will receive one of the two onlays and be followed for 18 months. Researchers will check how well each restora…

This study tests whether giving targeted therapy or chemotherapy based on specific markers (HER2, NTRK, AR, TROP-2) found in a patient's tumor can shrink or control salivary gland cancer. About 39 adults with advanced or recurrent cancer will receive a treatment matched to their …

This study compares two types of dental crowns: one made with a 3D printer and one made with a standard CAD-CAM machine. Twelve people with two damaged teeth will get one of each crown to see which performs better in terms of look, function, and gum health over two years. The goa…

This study tests two methods for cleaning deep cavities in permanent teeth: removing all decayed tissue (total removal) or leaving a thin layer near the nerve (selective removal). Researchers want to see which approach better keeps the tooth alive and causes less pain after treat…

This study tests a new drug (MRG003) alone or with another drug (putrelimab) in people with salivary gland cancer that has come back or spread. The goal is to see if these treatments can shrink tumors or stop them from growing. About 90 adults will take part, and the study is not…

This study tests whether a daily cream called MI Paste Plus can reduce cavity-causing bacteria and prevent white spots on teeth in people with braces. Two hundred participants will apply the cream nightly for three months. Researchers will measure bacteria levels and check for ne…

This early-phase trial is testing a new treatment called KN5601, which uses a patient's own immune cells (NK cells) that have been engineered to target and destroy harmful B cells. The goal is to see if it is safe and can help children aged 5 and older with rheumatic diseases lik…

This study tests whether a special delayed-connection surgery (Turnbull-Cutait) can help people with low rectal cancer avoid a permanent colostomy bag better than the standard surgery with a temporary stoma. About 520 adults aged 18-75 with rectal cancer will be randomly assigned…

This study compares two treatment plans for people with erythema migrans, the classic Lyme disease rash. One group takes amoxicillin for 10 days, another for 14 days, and a third group gets no treatment. The goal is to see if a shorter course works just as well at preventing late…

This study compares two methods of hardening a tooth-colored filling material in children's baby molars. One method uses a fast 5-second light, the other a standard longer light. Researchers want to see if the fast method works just as well and is as safe over 12 months. About 70…

This program provides early access to the drug ianalumab (VAY736) for patients with serious or life-threatening conditions like immune thrombocytopenia or Sjögren's syndrome who have no other treatment options. It is not a clinical trial but a managed access program where doctors…

This early-stage trial is testing a new drug called CLN-978 in 36 adults with active, moderate to severe Sjogren's disease. The main goal is to see if the drug is safe and tolerable, while also checking how it affects immune cells in the blood. Participants receive the drug as a …

This study tests a new way to treat multiple receding gums using a substance made from the patient's own blood (Alb-PRF) compared to the standard connective tissue graft. 26 adults with good oral hygiene will be treated and followed to see how much gum coverage is achieved. The g…

This phase 2 trial tests whether the drug sacituzumab govitecan can help control salivary gland cancer that has come back or spread to other parts of the body. About 30 adults whose cancer cannot be removed by surgery or cured with radiation will receive the drug through an IV. R…

This study compares three materials used to treat deep cavities in permanent teeth: Egyptian MTA, Biodentine, and calcium hydroxide. About 35 adults aged 22-45 with deep decay will receive one of these materials under a filling. Researchers will check if the tooth stays healthy a…

This study tests a new type of dental filling that hardens on its own, compared to a standard filling that requires a special light. The goal is to see if the new filling is easier to place and works just as well for cavities between back teeth. About 50 adults aged 18-47 with ne…

This early study compares a mouthwash containing tropolone to the standard chlorhexidine 0.2% mouthwash for reducing bacteria that cause cavities. Thirty healthy adults aged 18–45 will stop their usual oral hygiene for a few days, then use one of the mouthwashes. Researchers will…

This study tests three common cleaning aids—superfloss, interdental brushes, and a water flosser—in 18 adults with full-arch implant-supported dentures. Each person uses one method for three months, then switches to the next, so everyone tries all three. The goal is to find which…

This study tests whether giving less radiation after surgery for certain head and neck cancers can reduce long-term side effects, like trouble swallowing, without allowing the cancer to come back. About 508 adults who have had surgery and need standard post-op radiation will be r…

This early-stage trial tests a new treatment called AFN50 for people with autoimmune diseases that haven't responded to standard therapies. AFN50 is a type of CAR T-cell therapy designed to target and destroy faulty immune cells. The study will enroll 18 adults to check if the tr…

This study compares two treatments for infected baby molars in children aged 5 to 8. One group gets a standard antibiotic paste, the other gets simvastatin (a common cholesterol drug). Both are placed inside the tooth after cleaning, and the tooth is sealed. Researchers will chec…

This study tests if using an air-polishing device with erythritol powder to clean tooth roots before gum graft surgery works as well as the standard hand-scraping method. Twenty adults with receding gums will be treated and followed for a year. The goal is to see which approach l…

This early-phase trial tests a personalized vaccine made from a patient's own tumor cells, given alone or with the immunotherapy drug pembrolizumab, for people with head and neck cancer that has returned or spread. The main goals are to check safety, find the best dose, and see i…

This study tests whether a new material called PILP is safe to use when treating cavities in adults. Thirty participants will have PILP or a placebo applied to their tooth before getting a filling. They will be monitored for six months to check for tooth health, pain, and gum inf…

This early-phase trial is testing a personalized cell therapy called CAR-T, designed to target and destroy faulty immune cells in people with active autoimmune diseases like lupus, scleroderma, and Sjogren's syndrome. Up to 20 participants will receive the treatment after a short…

This early-stage study tests a new cell therapy called YTS109 in 18 adults aged 18-65 with autoimmune diseases like lupus and Sjogren's syndrome that have not responded to standard treatments. Participants receive a single infusion of the cells, and researchers monitor safety and…

This study compares curcumin nanogels (a natural turmeric extract) to a standard steroid paste for treating atrophic-erosive oral lichen planus, a chronic inflammatory mouth condition. Thirty adults will apply either treatment three times daily for four weeks. Researchers will me…

This study tests if a cream called imiquimod can treat pre-cancerous spots in the mouth. Twenty adults with these spots will apply the cream and get two follow-up biopsies. The goal is to see if the spots shrink and if the abnormal cells become less severe.

This study compares two ways of doing a gum graft to treat gum recession affecting several teeth. All 32 participants will get a modified tunnel procedure, but half will receive a single continuous graft and the other half a segmented graft. The goal is to see which method better…

This study tests whether avoiding radiation to the surgical flap (the tissue used to rebuild the mouth after cancer removal) is as effective as standard radiation that treats the whole area. About 348 adults with oral cavity cancer who had reconstructive surgery will be randomly …

This study tests if injecting the cancer drug nivolumab directly into high-risk precancerous mouth lesions can stop them from turning into cancer. About 45 adults with these lesions will receive either the drug or a placebo injection. The goal is to see if the treatment is safe a…

This phase 3 trial tests whether belimumab (Benlysta) can stabilize or improve lung function in adults with interstitial lung disease caused by connective tissue diseases like rheumatoid arthritis or lupus. About 440 participants will receive either belimumab injections or a plac…

This early-stage trial is testing a new treatment made from umbilical cord blood cells, called CD19-BCMA CAR-T cells, in 45 people with severe lupus, scleroderma, or Sjogren's syndrome with lung complications. The main goal is to check safety, especially serious side effects with…

This early-stage trial is testing a new treatment called YTS109 for people with severe autoimmune diseases like lupus and Sjogren's syndrome that have come back or not responded to standard care. About 18 adults will receive a single infusion of these specially engineered immune …

This early-stage study tests a new cell therapy called YTS109 in 18 adults with severe autoimmune diseases like lupus and Sjogren's syndrome that have not responded to standard treatments. Participants receive a single infusion of the cells, and researchers monitor safety and how…

This early-stage study tests a new cell treatment called YTS109 in 18 adults with hard-to-treat autoimmune diseases like lupus and scleroderma. Participants receive a single infusion of these specially designed cells. The main goal is to check if the treatment is safe, and also t…

This study tests whether a new collagen matrix can work as well as a traditional gum graft for covering exposed tooth roots. Sixty adults who had braces and now have gum recession will receive either the collagen matrix or a graft taken from the roof of their mouth. The goal is t…

This early-phase study tests a new type of CAR-T cell therapy (called KN3601) for people with severe autoimmune diseases like lupus, scleroderma, Sjögren's syndrome, rheumatoid arthritis, and vasculitis that haven't responded to standard treatments. The therapy uses specially eng…

This study tests whether adding a daily probiotic tablet and a coenzyme Q10 toothpaste to standard gum cleaning can improve oral health in pregnant women. Forty pregnant women will be split into two groups: one gets the probiotic plus Q10 toothpaste, the other gets only the Q10 t…

This study tests two kinds of toothpaste that contain hydroxyapatite, a mineral that helps rebuild tooth enamel. Forty children and teens with early signs of enamel damage will brush with one of the pastes twice a day for six months. Researchers will measure if the enamel gets st…

This 6-month study tests whether a special antimicrobial mouthrinse can reduce plaque buildup and improve gum health in adults with gingivitis. Participants will brush and rinse twice daily and visit the clinic every 3 months. The goal is to see if the rinse helps control gum inf…

This study tests a surgical technique called free mucogingival graft (FMG) to cover exposed tooth roots and improve gum conditions in the lower front teeth. Researchers will enroll 24 healthy adults with gum recession and unfavorable gum tissue. The goal is to see if this approac…

This study tests a honey-based paste against a standard steroid ointment for treating painful mouth sores caused by oral lichen planus. Fifty-six adults with erosive or atrophic lichen planus will use the paste daily for four months. Researchers will track symptom improvement, pa…

This study tests whether combining two drugs, sacituzumab govitecan and cetuximab, can shrink or control advanced head and neck cancer that has grown after initial therapy. About 40 adults whose cancer has spread or returned will receive the combination. The goal is to see how ma…

This Phase 3 trial tests whether the drug apremilast can completely clear painful mouth ulcers in people with severe recurrent aphthous stomatitis (RAS) that hasn't responded to colchicine. About 134 adults will receive either apremilast or a placebo twice daily for 12 weeks, fol…

This early-phase study tests a new treatment called TI-0032-III for people with severe autoimmune diseases like lupus and scleroderma that haven't improved with standard care. The treatment uses a special injection to create CAR-T cells inside the body, which then target and dest…

This phase II trial tests whether adding lovastatin, a common cholesterol-lowering drug, to the immunotherapy pembrolizumab can help shrink tumors in people with head and neck cancer that has returned or spread. The study will enroll 28 adults whose tumors express PD-L1. Research…

This study compares two dental procedures to treat deep cavities in back molars that have moderate pulpitis (inflamed tooth nerve). In one method, the dentist removes only part of the decay and places a protective material over the remaining decay. In the other, all decay is remo…

This study compares a standard gum graft technique with a modified version to treat gum recession on lower front teeth. About 34 healthy, non-smoking adults will receive one of the two procedures. Researchers will use 3D scans to measure tissue thickness and volume changes over 6…

This study looks at whether giving radiation therapy after surgery can delay the return of early-stage tongue cancer in patients who have certain risk factors. About 190 adults aged 18 to 70 will be randomly assigned to either receive radiation or just be monitored. The goal is t…

This study compares two surgical techniques (MCAT and VISTA) for treating receding gums in 44 healthy adults. Both methods use a tissue graft to cover exposed roots. Researchers will measure gum thickness changes over 12 months using 3D scans to see which technique works better.

This study is testing a less invasive robotic surgery called TORS for people with head and neck tumors. The goal is to see if it is safe and effective, with fewer side effects and faster recovery than traditional surgery. Up to 600 participants will be enrolled, and their outcome…

This early-stage trial tests a new combination treatment for people with advanced HER2-positive solid tumors (like breast, lung, or stomach cancer). Participants receive an injection of a special virus directly into one tumor to help the immune system attack cancer, followed by a…

This study tests whether metformin, a diabetes drug, can shrink or prevent precancerous mouth patches called oral leukoplakia. Researchers will give 34 adults a metformin gel applied to the lesion plus a metformin pill, or placebos. The goal is to see if the combination reduces l…

This study tests a tooth transplant procedure where a tooth is moved from one spot to another in the same person, with a special gel (PRF) made from their own blood to help healing. The goal is to see if this approach helps the tooth survive and stay healthy, especially in young …

This early-phase trial is testing whether adding the immunotherapy drug pembrolizumab (Keytruda) to radiation therapy before and during surgery can help treat head and neck cancers that have persisted or come back. About 45 adults with resectable tumors will receive the combinati…

This early-phase study tests a new treatment called RD06-05, which uses a patient's own immune cells modified to target and reset the immune system in autoimmune diseases like lupus, multiple sclerosis, and vasculitis. The goal is to check safety and how well the body tolerates i…

This phase 3 trial tests whether adding the immunotherapy drug sintilimab to chemotherapy before and after surgery can improve outcomes for people with advanced oral cancer. About 104 participants will be randomly assigned to receive either the combination therapy or standard sur…

This study tests whether doing a gum graft at the same time as placing a dental implant works as well as the traditional two-step approach. The goal is to increase the width of keratinized gum tissue around implants, which helps prevent inflammation and implant failure. Twenty-tw…

This study tests a modified surgery for removing part of the upper jaw in people with tumors. Instead of complex reconstruction, surgeons preserve the sinus membrane to see if new bone grows naturally. The goal is to improve chewing, swallowing, and speech while reducing complica…

This study tests a new drug called OM-RCA-01, an antibody that blocks a protein called FGFR1 found on some cancer cells. About 58 adults with metastatic kidney, lung, prostate, breast, or head and neck cancers that express FGFR1 will receive the drug by IV every two weeks. The go…

This early-stage trial tests a new treatment for people with autoimmune diseases like lupus and multiple sclerosis that haven't responded to standard therapies. The treatment uses a patient's own immune cells, modified in a lab to target and destroy the faulty cells causing the d…

This study tests if a probiotic spray containing good bacteria can help prevent and treat gum disease in older adults. Researchers will give 90 elderly participants either the probiotic spray or a placebo for four weeks. They will measure changes in gum health, bleeding, and bad …

This early-stage trial tests a new treatment called VLPONC-01, which is injected directly into head and neck tumors. It delivers a substance (IL-12) that may help the immune system attack the cancer. Some participants will also receive the immunotherapy drug pembrolizumab. The ma…

This study tests whether a telehealth program can help cancer survivors prevent mouth sores, gum disease, and tooth decay. One hundred survivors who finished cancer treatment at least 6 months ago will either get the telehealth program or usual care. The goal is to see if the pro…

This study looks at two new ways to treat deep cavities in children's second molars. It compares a bioceramic putty to a standard material for the nerve treatment (pulpotomy), and 3D-printed resin crowns to standard metal crowns. Sixty children aged 5 to 7 will be followed for a …

This study compares two ways of applying dental glue for filling cavities in front teeth. 120 healthy adults will receive fillings and be checked over 18 months. The goal is to see which method keeps fillings in good shape.

This phase 2 trial tests whether APG-157, a plant-based pastille taken three times daily, can shrink or eliminate precancerous growths in the mouth. Researchers will enroll 32 adults with moderate to severe oral dysplasia or carcinoma in situ. The goal is to see if the treatment …

This study tests whether gels made with coenzyme Q10 or curcumin can shrink or stabilize precancerous white patches in the mouth called oral leukoplakia. About 34 adults with mild patches that don't need surgery will apply the gel daily. The goal is to see if these antioxidants c…

This study tests a special dressing made from chitosan (a substance from shrimp shells) for treating damaged immature permanent teeth. The goal is to preserve the tooth's nerve and allow the root to finish growing. 26 children and teens with tooth decay or injury will be randomly…

This study tests a fully digital method for full-mouth dental rehabilitation in 10 adults aged 20-45 with bite problems, missing teeth, or smile concerns. The approach uses 3D scans of the teeth, face, and jaw to plan treatment, which may include tooth movement, guided implant pl…

This study tests a combination of hormone therapy (goserelin) and an immunotherapy drug (pembrolizumab) in 20 people with advanced salivary gland cancer that cannot be removed by surgery or radiation. The goal is to see if the treatment shrinks tumors or slows the disease. Partic…

This study tests a new treatment using specially engineered immune cells (CAR-NK) from cord blood for people with severe autoimmune diseases like lupus, scleroderma, and vasculitis that haven't responded to standard therapies. The goal is to see if it's safe and can control the d…

This study compares eggshell powder to Biodentine for treating tooth pulp exposure in children's baby molars. Thirty kids with deep cavities but no infection will get a pulpotomy, where the damaged pulp is removed and the material is placed. Researchers will check for pain, swell…

This early-phase trial is testing a personalized immune cell therapy called CD19 CAR-T in 15 people with severe autoimmune diseases like lupus and scleroderma that haven't responded to standard treatments. The therapy aims to temporarily deplete certain immune cells to calm the o…

This study compares two ways to treat deep cavities in young permanent teeth without exposing the nerve. In selective excavation, the dentist removes only the outer decay and seals the tooth. In stepwise excavation, they place a temporary filling first and remove more decay a few…

This early study tests a new type of dental implant that uses the leftover ligament tissue from a pulled tooth to help the implant bond with the jawbone. Six adults needing a single tooth extraction will get the implant right away and be followed for 48 weeks. Researchers will ch…

This study compares two dental treatments—pulpotomy and pulpectomy—for deep cavities in baby teeth that cause pain. About 40 children aged 4 to 6 will receive one of the treatments. Researchers will check x-rays and symptoms to see which approach works better and is more comforta…

This study tests whether a combination of two diabetes drugs, pioglitazone and metformin, can shrink or improve precancerous patches in the mouth called oral leukoplakia. About 36 adults with high-risk lesions will take the pills twice daily for 12 weeks. The goal is to see if th…

This study compares two dental materials, MTA and Biodentine, used to treat deep cavities in baby teeth. Researchers want to see which one works better and causes less tooth discoloration. The study involves 646 children aged 2 to 12 who need treatment on at least two baby molars…

This study tests a new toothpaste with stannous fluoride to see if it improves gum health and reduces plaque better than regular fluoride toothpaste. About 300 adults with mild to moderate gum inflammation will brush with the test toothpaste for 24 weeks. Researchers will measure…

This study tests whether a special dental gel (Livfresh) can improve gum health when used alongside standard deep cleaning. About 76 adults with moderate gum disease will brush with the gel twice daily for 6 months. Researchers will measure changes in gum pocket depth and bleedin…

This trial tests a program called ENDURE that helps head and neck cancer patients start radiation therapy within 6 weeks after surgery. The program provides education, social support, and better coordination among doctors. Researchers will compare it to usual care in 532 adults w…

This study tests an experimental drug called VMD-928, taken as a pill, either alone or with another cancer drug (pembrolizumab). It is for adults with advanced solid tumors or lymphoma that have not responded to or are no longer controlled by available treatments. The goal is to …

This early-phase study is testing a new cell therapy called LUCAR-DKS1 in 36 adults with relapsed or refractory autoimmune diseases like lupus. Participants receive their own modified NK cells after a short chemotherapy prep. The main goals are to check safety, find the right dos…

This study compares personalized oral hygiene advice from an AI app versus a human dentist in 148 adults with prediabetes and gum disease. The goal is to see if AI can improve gum health and blood sugar levels as well as a dentist. Participants will have their gums and blood suga…

This trial tests two drugs, trastuzumab and pertuzumab, already approved for breast cancer, in people with rare cancers that have a specific genetic change called HER2 amplification or mutation. About 30 adults and children with various rare or hard-to-treat cancers will receive …

This study is testing a device called DaRT that delivers alpha radiation directly into tumors. It is for people with certain skin cancers, mouth cancers, or soft tissue sarcomas that are up to 7 centimeters in size. The goal is to see if the tumors shrink and to check for side ef…

This study tests whether a daily probiotic lozenge (SALI-10) can prevent gingivitis, a common gum disease that causes bleeding and inflammation. About 60 healthy adults will stop brushing for a short period to allow plaque buildup, then take either the probiotic or a placebo. The…

This study compares two popular mouthwashes, Listerine and Chlorhexidine, to see which better controls gum inflammation and plaque in people undergoing orthodontic treatment with braces. Sixty participants aged 13-40 will use one of the rinses and be checked at 2 and 4 weeks. The…

This early-stage trial tests a fluorescent dye attached to the cancer drug nivolumab. The dye is meant to make cancer cells glow during surgery, helping surgeons remove them more precisely. The study will enroll 40 people with head and neck cancer who are already scheduled for su…

This study tests whether computer analysis of 3D dental scans can accurately detect gum disease, gingivitis, and cavities, compared to traditional manual exams. About 30 adults with at least one gum recession will participate. If successful, this approach could make dental diagno…

This study tests whether using mobile health (mHealth) tools helps find early signs of oral cancer better than the usual visual exam in rural areas of Varanasi, India. Over 5,000 adults with risk factors like smoking, tobacco use, or age over 40 will be screened. The goal is to c…

This study is testing whether a simple saliva sample can help diagnose oral squamous cell carcinoma (OSCC), a type of mouth cancer. Researchers will look for specific DNA changes (methylation) in the saliva of 30 patients with OSCC and compare them to 30 healthy controls. If the …

This study is testing whether a simple online questionnaire can accurately assess a person's risk for gum disease (periodontitis or gingivitis). About 393 adults in Saudi Arabia will fill out the questionnaire and then have a dental exam to compare results. The goal is to see if …

This study is testing how well different digital tools—like special cameras, X-rays, and AI analysis—can find cavities compared to a standard dental exam. About 100 adults with cavities will be checked using these methods. The goal is to see which tools are most accurate so denti…

This study is testing whether simpler methods like mouth photos, dental X-rays, saliva tests, and questionnaires can accurately detect gum disease (gingivitis and periodontitis) compared to a standard full-mouth exam. About 2,000 adults from five centers will participate. The goa…

This study is testing whether a special intraoral scanner can accurately detect dental plaque and cavities, compared to standard methods like dye and X-rays. Researchers will scan the teeth of 50 adults aged 18 to 70 and compare the results to traditional plaque-disclosing agents…

This study tests a new imaging device called the Active Biopsy Guidance System to help doctors decide when and where to take tissue samples (biopsies) from mouth lesions. About 90 adults with suspicious mouth spots or a history of oral cancer will participate. The goal is to see …

This study is testing a special 3D MRI technique called neurogram imaging to better see the tiny branches of the facial nerve inside the parotid gland before surgery for parotid tumors. The goal is to help surgeons avoid accidentally injuring these nerves during tumor removal, wh…

This study is testing a special camera that uses a laser to take microscopic pictures of suspicious spots inside the mouth. The goal is to see if these images can help doctors diagnose oral cancers and guide surgery. About 140 people with oral cancer will have their lesions image…

This study is testing a new, high-frequency ultrasound probe that goes inside the mouth to look at suspicious spots. The goal is to see if it can accurately measure how deep a mouth cancer goes, which might help doctors diagnose it without always needing a surgical biopsy. The st…

This study tests whether a special camera and a fluorescent dye called proflavine can help doctors see abnormal cells in the mouth. Researchers will take images of mouth lesions from 275 adults who are already scheduled for surgery. The goal is to see if this non-invasive method …

This study looks at 212 children aged 4-9 with cavities in their baby teeth. After a simple filling procedure, dentists will use three different methods to check for any leftover decay: a special light (FACE), a dye, and a visual-tactile exam. The goal is to see which method is m…

This study tests whether a special type of CT scan (dual-energy CT) can be as good as MRI for staging oral and throat cancers. Staging helps doctors decide the best treatment. If the CT works just as well, patients might avoid an extra MRI, get treated faster, and free up MRI mac…

This study explores whether a special type of PET scan, called PSMA PET, can help doctors see how well the salivary glands are working in people with Sjögren's syndrome. Researchers will compare these scans with another type of PET scan (FAPI PET) that shows inflammation. The goa…

This study tests whether a generative AI tool can help doctors diagnose complications and co-existing diseases in people with rheumatoid arthritis. The AI reviews patient records and suggests possible issues like lung or heart problems. Doctors then decide if the AI's suggestions…

This study is testing whether a simple dental checklist can help identify people who might have an eating disorder. Researchers will check the mouths of 461 adults aged 18 to 40 for signs like tooth erosion or other oral issues. They will then compare the checklist results with s…

This study tests a special PET scan that uses a radioactive tracer called 68Ga-FAPI to see inflammation in people with Sjögren's syndrome, an autoimmune disease that causes dryness. Researchers will compare the scan results with standard blood tests and also look at scans from ca…

This study tests whether a dexamethasone mouthwash can prevent moderate to severe mouth sores caused by chemotherapy in adults with cancer. Participants use the mouthwash four times daily during chemo for up to 8 weeks. Researchers compare their outcomes to a historical group to …

This study will give thousands of elementary school students refillable water bottles and install hydration stations in their schools, along with lessons about healthy hydration. Researchers will track whether this simple change reduces tooth decay and helps maintain healthy body…

This study tests whether chewing xylitol gum during pregnancy can reduce the risk of preterm birth and low birthweight. 6,000 pregnant women in Malawi will chew either a high or low dose of xylitol gum or a placebo gum. The goal is to see if improving oral health with xylitol lea…

This study tests whether a probiotic spray containing good bacteria can help prevent and treat cavities in children. 130 kids aged 7-10 will use the spray or a placebo twice daily for 3 months. Researchers will check if it reduces harmful mouth bacteria and slows cavity growth.

This study will place dental sealants on 420 back teeth in children and teens aged 7 to 18. Half of the teeth are healthy, and half have very early cavities. Researchers will check how well the sealants stay on over 12 months to see if early decay affects retention. The goal is t…

This study will test whether applying fluoride varnish and placing special sealants can prevent and control cavities in 2,500 children aged 6 to 12. The treatments are minimally invasive and designed for use in public health settings. Children will be checked every three months f…

This study tests whether a one-time infusion of amimestrocel, made from donated umbilical cord cells, can prevent severe mouth and gut sores in people receiving a stem cell transplant. About 22 adults will get the infusion before their transplant, and researchers will monitor for…

This study tests whether providing health education and helping mothers form supportive social networks can prevent dental cavities and unhealthy weight gain in their young children. About 460 Bangladeshi mothers and their children (ages 1-4) will take part. One group gets educat…

This study compares a toothpaste made with 2% calcium hypophosphite to a standard fluoride toothpaste (1450 ppm F) to see if it can prevent cavities in adults. Over 18 months, 164 healthy adults will brush twice daily with one of the two toothpastes. The goal is to prove the new …

This study tests whether a gel containing diclofenac, a common anti-inflammatory drug, can prevent severe skin irritation caused by radiation therapy. About 156 adults with head/neck or breast cancer will apply the gel or a placebo to the treated skin three times daily during the…

This study tests whether a zinc-based spray (Gel X) can prevent painful mouth sores caused by radiation therapy for head and neck cancer. About 130 adults receiving radiation will use either the zinc spray or a sodium bicarbonate rinse. The goal is to see if the spray reduces how…

This study tests whether a special iodine gel applied to teeth can prevent new cavities in children aged 2 to 6 who have severe early childhood cavities. After dental surgery, children will receive either the iodine gel plus fluoride varnish or a placebo plus fluoride varnish eve…

This study tests whether using a lactoferrin-based toothpaste and mouthwash twice daily, along with regular professional cleanings, can prevent gum disease in pregnant women. Forty pregnant women in their second trimester will be split into two groups: one using both the toothpas…

This study tests whether low-level laser therapy can prevent severe mouth sores (mucositis) caused by chemotherapy in children and young adults aged 4 to 25. The laser is a painless, non-heating light applied to the mouth before chemotherapy. The trial is double-blind and placebo…

This study looks at whether a toothpaste or mouthwash containing hydroxyapatite can prevent white spot lesions (early cavities) that often appear during orthodontic treatment with braces. 75 people getting braces will be split into three groups: one using hydroxyapatite toothpast…

This study tests if rinsing with virgin coconut oil can prevent severe mouth sores in children and young adults (ages 7-26) getting a bone marrow transplant. About 60 participants will either use standard mouth rinses or add coconut oil to their routine. Researchers will compare …

This study tests a daily light therapy device placed inside the mouth to prevent severe mouth sores in people receiving a stem cell transplant. Twenty adults will use the device for about 2-3 minutes each day from the start of their conditioning chemotherapy through day 20 after …

This study tests whether injecting the steroid dexamethasone near the tooth ligament or under the gum helps numb the tooth better and reduces pain during root canal treatment. It includes 84 adults with severe, irreversible pulpitis in a lower molar. Participants receive one of t…

This study tests whether starting tongue strengthening exercises early, using a device called the Tongueometer, can improve speech and swallowing in people who have had part of their tongue removed due to cancer. The device uses a small air-filled bulb and a mobile app to guide e…

This clinical trial tests whether a doxepin solution spray can relieve severe breakthrough pain when swallowing, a common side effect of radiation therapy for nasopharyngeal carcinoma. About 178 patients will be randomly assigned to receive either the doxepin spray or a placebo s…

This phase II trial tests whether adding BMX-001 to standard symptom management can reduce severe mouth sores in head and neck cancer patients receiving chemoradiation. About 98 participants will receive either BMX-001 or a placebo alongside usual care. The goal is to see if BMX-…

This study tests whether a sensory projector called Tovertafel Pixie can reduce anxiety in patients with special needs during dental care. About 100 adults will be observed in a real-life setting at Nantes University Hospital. The projector displays calming images on ceilings or …

This early-phase trial tests whether injecting mesenchymal stromal cells (MSCs) into the salivary glands is safe and can ease dry mouth in people with graft-versus-host disease or Sjogren's disease. Up to 36 adults will receive one injection and be monitored for pain and side eff…

This study tests whether a protein-based eye drop (rhPRG4) can safely relieve dry eye symptoms in people with Sjögren's syndrome. About 80 adults will receive either the active drops or a placebo for 28 days. The main goal is to see if the drops can clear corneal staining, a sign…

This study tests whether a special medical glue (tissue adhesive) can replace traditional stitches for closing wounds inside the mouth after a biopsy. Twenty-eight people with small mouth growths will be randomly assigned to get either the glue or stitches. Researchers will measu…

This trial compares using tiny titanium tacks versus traditional stitches to hold a gum graft in place after surgery. The goal is to see if the tacks cause less pain and make recovery easier. Adults needing a gum graft around natural teeth will be randomly assigned to one of the …

This study tests whether a drug called methylnaltrexone is safe for people with head and neck cancer when taken for two weeks before their surgery. The drug is already used for constipation, but researchers want to see if it can be given safely in this setting. About 25 adults wi…

This study tests whether a specially prepared (buffered) numbing shot works better than the standard shot to reduce pain and anxiety in children aged 6 to 12 who need a tooth filling or root canal for an infected baby tooth. Researchers will measure pain using a behavior scale, h…

This study looks at how well temporary crowns and bridges made from special plastic materials work and if they are safe. About 120 adults who need a temporary tooth replacement will be split into four groups based on the material used. They will be checked over 6 months to see ho…

This study compares a pineapple-derived enzyme (bromelain) to standard steroid treatment for oral lichen planus, a chronic inflammatory condition causing painful mouth sores. Researchers will enroll 42 adults with symptoms to see if bromelain reduces sores and pain as effectively…

This study compares two methods of numbing the lower back teeth in children who need emergency dental treatment. One method is a standard injection near the jaw nerve, and the other uses a computer-controlled device to deliver numbing medicine directly into the tooth area. Resear…

This study is testing whether it is safe to remove a tumor from the parotid gland (a saliva gland near the ear) without using a surgical drain. Normally, a drain is placed to remove extra fluid, which often requires an overnight hospital stay. The researchers want to see if skipp…

This study tests three treatments for teeth with deep cavities and severe, constant pain: total pulpotomy, radicular pulpotomy, and standard root canal. About 99 adults will receive one of these procedures, and their pain and healing will be tracked for a year. The goal is to fin…

This study compares two ways of making full dentures for people who have lost all their teeth. One method uses digital scans and 3D printing, while the other combines traditional impressions with digital design. Twenty participants will try both types of dentures for two months e…

This study tests two different fluoride varnishes to see which one better reduces tooth sensitivity in young adults. Participants receive a single application of either varnish, and researchers measure pain relief and quality of life improvements. The goal is to find a more effec…

This study is testing an oral spray called OROSEDAL to see if it helps relieve pain from sore throats, canker sores, and other minor mouth lesions. About 124 children and adults will use the spray as prescribed and report their pain levels over 6 days. The spray works by forming …

This study looks at whether starting speech and swallowing therapy early — before and just after surgery — can help people with head and neck cancer recover better. Forty patients will either get early therapy sessions with a speech-language pathologist or the usual care. The mai…

This study tests whether placing ibuprofen, nitrofurantoin, or calcium hydroxide inside a tooth after root canal treatment can lower pain. About 111 adults with dead nerves in their back teeth will rate their pain on a 0-10 scale. The goal is to find which medication works best t…

This study tests whether applying a topical steroid (triamcinolone acetonide) to the roof of the mouth after gum graft surgery can speed healing, reduce pain, and improve quality of life. About 55 adults needing a gum graft will be randomly assigned to receive either the steroid …

This study compares two preservative-free eye drops, Artelac Complete MDO and VISMED MULTI, for treating moderate to severe dry eye disease. About 160 adults who have used tear substitutes for at least a month will use one of the two drops for 90 days. Researchers will measure ch…

This study tests whether a special toothpaste can improve gum inflammation (gingivitis) in adults. Sixty participants with moderate gum inflammation will use either the test toothpaste or a regular one for 4 weeks. Dentists will check gum health at the start and end to see if the…

This study tests whether using a special brain-wave monitor (Conox) during children's tonsil and adenoid surgery can lower the amount of strong painkillers needed and improve recovery. About 128 children aged 3 to 12 will be randomly assigned to either standard monitoring or Cono…

This study tests a gel made from natural particles (polynucleotides) injected into the gums to treat black triangles—gaps between teeth caused by gum loss. About 40 adults with at least one black triangle in the smile zone will receive the gel. The goal is to see if it safely fil…

This study looks at whether putting thin covers (veneers) on the front teeth can improve the daily life of children aged 11-14 who have a rare genetic condition that makes tooth enamel weak and discolored. Researchers will measure changes in oral health, self-esteem, and social c…

This phase 3 trial tests whether Houyanqing Oral Liquid, a Chinese herbal mix, can prevent or reduce severe mouth sores caused by radiation therapy in 386 nasopharyngeal cancer patients. Participants take the liquid four times daily during radiation, alongside standard care. The …

This study tests whether using a special cough-assist device (MI-E) with optimized settings can remove more mucus from the airways of critically ill patients on breathing machines. Researchers will compare the amount of mucus suctioned after using optimized versus standard settin…

This study tests whether a custom dental device called a palatal augmentation prosthesis (PAP), along with speech therapy, can improve how well people speak and swallow after surgery for small tongue cancers (T1/T2). Forty participants will be randomly assigned to receive the dev…

This study follows 100 people who are getting full-arch dental implants (replacing all teeth in one jaw). Researchers want to see how the treatment changes their oral health-related quality of life—things like eating, speaking, and feeling confident. Participants answer questionn…

This study tests whether folic acid supplements can reduce mucositis (painful sores in the mouth, nose, throat, or other areas) in people with advanced kidney cancer who are on targeted therapy or immunotherapy. About 100 participants will receive either folic acid or a placebo, …

This study tests if making small holes in the jawbone (micro-osteoperforations) helps move front teeth more safely and effectively in people with a deep bite. 18 participants aged 15-25 will receive standard braces with or without the extra procedure. The goal is to see if it red…

This study tests whether a diode laser helps children aged 3 to 6 heal better after tongue-tie surgery compared to standard electrosurgery. Fifty-three kids will be randomly assigned to one of the two methods. Researchers will check wound healing, pain, bleeding, and tongue movem…

This study tests whether a special toothpaste and mousse can reduce tooth sensitivity and enamel damage in adults with celiac disease. Forty participants will either use the toothpaste alone or add a nightly mousse for six months. Researchers will measure changes in sensitivity, …

This study tests a mouth rinse called MucoLock for people with ongoing mouth pain or burning sensation (stomatitis). About 25 adults will swish the rinse for 5 minutes, three times a day, for 28 days. Researchers will measure changes in pain scores and quality of life to see if t…

This study tests whether custom 3D-printed oral stents can reduce mouth sores in head and neck cancer patients receiving radiation therapy. The stents are made from a mold of the patient's mouth and cover teeth and gums during treatment. Researchers will compare sore rates and pa…

This study compares a new hydrogel wound dressing called Ora-Aid to a standard plastic stent for reducing pain after gum graft surgery. Twenty adults undergoing the procedure will be randomly assigned to receive one of the two treatments. Researchers will track pain levels, paink…

This phase 2 trial is testing a topical gel and mouthwash made from olive oil, betaine, and xylitol (XCM-OM118) to see if it can reduce severe oral mucositis (painful mouth sores) in head & neck cancer patients receiving radiation. The study will enroll 63 adults and track how ma…

This study compares two numbing techniques for dental work in children aged 6 to 12: a computer-controlled injection into the jawbone (digital intraosseous) and a manual injection into the ligament around the tooth. Researchers will measure pain, heart rate, and how well the numb…

This study tests whether giving patients an extra injection of a long-acting anesthetic (bupivacaine with epinephrine) right after a root canal can lower pain, improve quality of life, and reduce the need for painkillers. About 150 adults with tooth pain will be randomly assigned…

This study tests whether placing an ice pack on the gum for 5 minutes before a numbing injection can improve pain control during root canal treatment. It involves 98 adults with severe, irreversible tooth nerve pain. The goal is to see if this simple cold therapy reduces the need…

This study tests three different methods to protect the roof of the mouth after a gum graft. Fifty-six adults will rate their pain, swelling, and bleeding using a simple scale. The goal is to find which protection technique makes healing most comfortable.

This study tests whether using 3D imaging (CBCT) to plan clear aligner treatment can lower the chance of gum recession. Forty adults who want to widen their dental arches will be randomly assigned to either 3D-guided or standard 2D planning. Researchers will track gum health, bon…

This study compares two common root canal filling techniques—cold lateral condensation and warm vertical obturation—to see which causes less pain afterward. About 80 adults with infected but pain-free teeth will be randomly assigned to one method. Researchers will measure pain le…

This study tests three different agents (sodium hypochlorite, chlorhexidine, and cold saline) to stop bleeding during a partial pulpotomy, a dental procedure that removes part of the tooth's pulp. Researchers will track pain levels and pulp survival in 75 adults with cavities tha…

This study tests whether a mobile app that sends daily push notifications can help teenagers wearing braces improve their oral hygiene. Braces make it harder to clean teeth, leading to plaque buildup and gum problems. Researchers will compare three groups: app with reminders, app…

This study tests whether adding acupuncture or a mild nerve stimulation device to an exercise program can reduce fatigue in people with Sjögren's syndrome. About 174 adults with long-term fatigue will be randomly assigned to one of three groups: exercise alone, exercise plus acup…

This study tests a traditional Chinese herbal oral solution and mouthwash to see if they can shorten the time head and neck cancer patients suffer from severe mouth sores caused by radiation therapy. About 128 adults aged 18-65 with non-metastatic head and neck cancers will recei…

This phase 2 trial tests whether a traditional Chinese medicine oral liquid and mouthwash can prevent or reduce severe mouth sores caused by radiation therapy in head and neck cancer patients. About 118 adults aged 18-65 will receive either the herbal treatment or a placebo along…

This study tests whether applying medical ozone gas to mouth sores can reduce pain and severity in people undergoing radiation or chemotherapy for head and neck cancer. Fifty participants will receive ozone therapy, and half will also use a special toothpaste and mouthwash at hom…

This study tests if using a device that reads muscle activity (EMG) to guide Botox injections works better than the standard injection method for people with a gummy smile. About 32 adults with excessive gum display will be split into two groups. The goal is to see which method r…

This study tests whether high-level laser therapy can help manage oral mucositis—painful mouth sores—in children under 18 who are having a bone marrow transplant. Fourteen participants will receive either laser treatment or standard mouth care (chlorhexidine and sodium bicarbonat…

This study tests two materials, MTA and Biodentine, for treating a painful tooth condition called irreversible pulpitis. 60 adults with severe tooth pain will get a pulpotomy (removing infected pulp) and one of the materials. They will be followed for 3 months to see which materi…

This study tests whether using a special laser along with standard ultrasonic cleaning can reduce pain and kill more bacteria after a root canal. About 120 adults with infected single-root teeth will be treated and asked to rate their pain. The goal is to find a better way to man…

This study tests whether taking taurine granules before daily radiation can reduce painful mouth sores and skin burns in 160 head and neck cancer patients. Half get taurine, half get a placebo, and researchers track side effect severity. If effective, it could offer a simple, low…

This study tests whether 3D-printed custom nightguards whiten teeth better and more comfortably than traditional ones. Forty adults with stained teeth will use a standard whitening gel at home. Researchers will measure color change, tooth sensitivity, and gum irritation to find t…

This study tests whether using a navigation system during balloon sinus dilation improves success rates for people with chronic maxillary sinusitis. Fifty adults who have not had prior sinus surgery will be randomly assigned to receive either standard balloon dilation or navigati…

This study looks at whether a toothpaste with a special ingredient (calcium sodium phosphosilicate) can improve daily life for people with sensitive teeth. About 500 adults aged 18 to 65 with self-reported tooth sensitivity will use the toothpaste for 24 weeks. Researchers will m…

This study tests whether specially adapted beauty sessions (onco-esthetics) can help people with head and neck cancer feel better about their changed appearance after treatment. Fifty-five patients will receive three sessions, and researchers will measure how their self-image cha…

This study tests whether toothbrushes with tapered bristles are better at removing plaque and reducing gum bleeding than regular round bristles, without causing scratches. About 70 adults with gum disease will use one of two toothbrushes at home for 4 weeks. Researchers will chec…

This study compares two types of stitches (NOVOSYN quick and MONOSYN quick) used in gum surgery to see if they heal equally well. About 84 adults having gum surgery will be randomly assigned one of the two stitches. The main goal is to check early healing signs like skin regrowth…

This study tests two treatments for vaginal dryness in women with Sjögren's disease: a fractional CO2 laser applied monthly for three months, and a topical promestriene cream used for six months. Sixty participants will be randomly assigned to one of the two groups. The goal is t…

This study tests whether adding a quick stitching step (lateral pharyngoplasty) to standard tonsillectomy helps children recover better. About 160 kids aged 3-17 will be randomly assigned to get tonsillectomy with or without the extra stitch. Parents will track pain, eating, and …

This study tests two new solutions, Theravex Oral and Theravex Tissue Care Plus, to see if they help gums heal better after a specific gum surgery for receding lower front teeth. Thirty healthy adults will be randomly assigned to receive either the Theravex treatment or a saltwat…

This study compares two ways to secure lower dentures: using one implant or two implants. Researchers want to see if one implant can provide similar comfort, satisfaction, and chewing ability as two implants. The study involves 32 adults with no teeth who already have upper and l…

This study looks at two types of dental sealers used in root canals to see which one causes less pain afterward. About 50 adults with tooth pain will get one of the two sealers and report their pain for three days. The goal is to help dentists choose the sealer that makes root ca…

This study looks at whether adding tongue scraping to standard gum disease treatment can improve bad breath. About 39 adults with gum disease and bad breath will either get standard care or standard care plus twice-daily tongue scraping. Researchers will measure breath odor and s…

This study compares two painkiller combinations—dezocine plus sufentanil versus nalbuphine plus sufentanil—for pain relief after oral cancer surgery with flap reconstruction. Sixty adults will receive one of the two combinations through a patient-controlled pump. The goal is to s…

This study tests a program called CARES that provides nurse navigators and counselors to rural cancer patients. The goal is to see if this support helps patients start and finish treatment more quickly and improves their quality of care. About 320 adults with solid tumors like lu…

This study tests if a special light treatment, called photobiomodulation, can reduce the severity and frequency of painful mouth sores in oral cancer patients receiving radiation therapy. About 30 adults who have had surgery for oral cancer will receive the light treatment five t…

This study tests a gel called Nano Bio Fusion (NBF) to see if it helps heal wounds on the roof of the mouth after gum graft surgery. About 36 adults will apply either the NBF gel or a placebo gel four times a day for four weeks. Researchers will measure wound size, pain, and infl…

This study tests whether a pure green tea mouthwash can reduce dental plaque and gum inflammation better than a placebo or essential oils mouthwashes like Listerine. About 44 healthy adults will rinse with their assigned mouthwash twice daily for 3 weeks, avoiding all other oral …

This study compares standard radiation therapy to a newer method called dose painting for people with head and neck cancer. The goal is to see if dose painting causes fewer severe mouth ulcers one year after treatment. About 100 participants will be randomly assigned to receive e…

This study tests a new way to do root canals that skips the manual step of scouting and widening the canal by hand. Instead, dentists use a special rotary file from the start. The goal is to see if this causes less pain after the procedure compared to the traditional method. The …

This study tests whether melatonin (a natural sleep hormone) works as well as pregabalin (a nerve pain drug) for managing pain and anxiety after spine surgery. About 105 adults aged 21-60 having elective spine surgery will receive one of the two medicines right after surgery. Res…

This study looks at whether different types of tooth-colored filling materials can reduce pain or sensitivity after a cavity is filled. Researchers will compare two modern composite materials in 120 healthy adults who need a filling in a back tooth. Participants will be followed …

This study tests an online wellness course that teaches diet, exercise, stress reduction, and self-care to people with rheumatoid arthritis, lupus, Sjogren's syndrome, and similar conditions. Researchers want to see if the program reduces fatigue and improves quality of life. Abo…

This study compares AI-generated, child-friendly explanations and stories to traditional behavior management techniques for reducing anxiety in children aged 6-12 during dental local anesthesia. Researchers will measure pulse, oxygen levels, and anxiety scores in 60 healthy child…

This study tests whether TRYPTYR eye drops can quickly improve tear production in people with dry eye from Sjögren's syndrome. About 35 adults will receive the drops and have their tear levels measured before and after. The goal is to see if this treatment can ease dry eye sympto…

This study will compare two types of crowns—stainless steel and zirconia—placed on children's back baby teeth after pulp treatment. Ten healthy children aged 4 to 5 will receive both types of crowns, and researchers will check gum health, plaque buildup, tooth wear, and how satis…

This study tests whether gargling with olive oil can reduce painful mouth sores caused by radiation or chemotherapy in head and neck cancer patients. About 120 adults will either use olive oil mouthwash or receive standard care for 12 weeks. Researchers will track soreness, dry m…

This study tests whether using a gentle laser along with a special dental cement can reduce pain after a pulpotomy, a procedure that saves a tooth with a severe nerve infection. About 46 children and young adults aged 9 to 14 with a painful lower molar will be randomly assigned t…

This study compares a laser-based procedure to the standard method for treating severe toothache (irreversible pulpitis) in adult molars. Sixty participants will receive either laser or conventional treatment, and healing will be tracked using X-rays and AI analysis. The goal is …

This study tests whether a hydrogen peroxide mouth rinse called OROXID can help treat gingivitis, a common gum inflammation. About 90 adults with mild gum disease will use the rinse twice daily for 4 weeks, alongside regular brushing. Researchers will measure changes in gum infla…

This study tests whether Trinase, an enzyme-based anti-inflammatory medication, can reduce pain after root canal treatment. 182 men with moderate to severe tooth pain will receive either Trinase or a placebo 30 minutes before the procedure. Pain levels and the need for extra pain…

This study compares pain levels after root canal treatment using two different sealing materials: a resin-based sealer and a bioceramic sealer. 180 adults with a single-rooted tooth needing a root canal will be randomly assigned to one of the two sealers. Pain will be measured 24…

This study aims to uncover genetic changes that cause autoimmune diseases in people native to Peru. Researchers will collect blood, urine, and stool samples from 300 participants, including patients with conditions like lupus and rheumatoid arthritis, their family members, and he…

This study aims to collect samples and medical information from people of all ages who have or have been exposed to viral infections, including COVID-19 and herpes. Researchers want to understand how viruses affect healthy individuals versus those with weakened immune systems. Pa…

This study collects blood and tumor tissue samples from people with head and neck or lung cancers to find biological markers that indicate low oxygen levels within tumors. Low-oxygen tumors tend to be more aggressive and resistant to standard treatments like radiation and chemoth…

This study looks at how the types of bacteria in the mouth change in people with severe gum disease as they go from having some teeth left to having no teeth, and then after getting dental implants. Researchers will collect microbial samples and analyze DNA to see if different im…

This study collects wisdom teeth and surrounding tissue that are normally thrown away after oral surgery. Researchers will use these samples to learn more about oral health and disease. Up to 3,000 people aged 16 to 50 who need their wisdom teeth removed can join. The study also …

This study aims to learn more about diseases that affect the salivary glands, which produce saliva. Researchers will collect medical data, blood, saliva, and tissue samples from people with these conditions, their relatives, and healthy volunteers. The goal is to better understan…

This study looks at tongue strength and endurance in people who have had part of their tongue removed due to oral tongue cancer. Researchers will use a device called the Iowa Oral Performance Instrument (IOPI) to measure tongue pressure. Some participants will also use the IOPI a…

This study looks at how genetic immune system problems might lead to gum disease and other mouth issues. Researchers will collect samples like saliva, plaque, and blood from 700 people, including those with immune defects, healthy adults with gum disease, and healthy adults witho…

This study follows 100 adults with healthy gums or various stages of gum disease over two years. Researchers will collect saliva and plaque samples at yearly visits to measure specific biomarkers. The goal is to see if these markers can predict who will develop or worsen gum dise…

This study is building a huge registry of information and biological samples from adults with or at risk for many types of cancer, as well as healthy volunteers. Researchers will use this resource to study what causes cancer and how to better prevent, detect, and treat it. The re…

This study is looking at how well current classification criteria can diagnose primary Sjögren's syndrome, a rare autoimmune disease. Researchers will compare the criteria against diagnoses made by expert doctors. The goal is to improve diagnostic accuracy for this condition.

This study looks at whether certain genes make some people more likely to develop eye damage from the drug Plaquenil, which is used for autoimmune diseases like lupus and rheumatoid arthritis. Researchers will compare people who have had eye damage from Plaquenil with those who h…

This study looks at whether certain proteins in saliva can signal the start of gum disease. Researchers will collect saliva from 240 adults with healthy gums, gingivitis, or periodontitis and measure specific biomarkers linked to bone loss. The goal is to find a simple, non-invas…

This study looks at whether a common yeast infection in babies' mouths, called oral thrush, is linked to severe cavities in early childhood. Researchers will follow 70 children, half with a history of thrush and half without, for two years. They will regularly check teeth and tak…

This study follows 300 people with Sjogren's disease (or symptoms) over time to learn how the condition starts and progresses. Participants undergo exams, saliva and tear tests, and questionnaires during several visits. No treatment is given; the goal is to gather data and sample…

This study talks to people living with HIV from diverse backgrounds to learn what helps or hinders them from getting oral health care and cancer prevention. Researchers will hold focus groups and use questionnaires to understand barriers and gather ideas for improvement. The goal…

This study looks at tooth decay and oral hygiene in children aged 7-12 with specific learning disabilities (SLD) and compares them to healthy children. Researchers will check teeth and gums, and ask about brushing and eating habits. The goal is to see if children with SLD have di…

This study tests a device called SpiderMass that analyzes tissue molecules in real time during tongue cancer surgery. The goal is to help surgeons instantly tell cancerous from healthy tissue, so they can remove all the tumor in one operation. Currently, about 15-30% of patients …

This study looks at fluid from the gums of 80 people with gingivitis—half children aged 8-12, half young adults aged 15-24. Researchers will measure inflammation markers to see if they differ by age. The goal is to understand how gum disease develops during growth and puberty.

This study aims to create a large collection of tissue samples from people with head and neck disorders, such as hearing loss, mouth diseases, and throat cancers. Researchers will use leftover surgical tissue and additional samples like blood, saliva, and cheek swabs to study the…

This study is checking how well lower lip reconstruction works after skin cancer removal. About 20 patients who had the surgery will fill out questionnaires about how their lip looks and works, and how it affects their daily life. Doctors will also review the results to help impr…

This study watches 100 adults who are having jaw surgery to fix their bite. Researchers will check gum thickness, gum health, and bone around the teeth before surgery and at 1, 3, and 6 months after. The goal is to see how these tissues change over time. No treatment is given—thi…

This study compares two ways to rebuild the jaw after oral cancer surgery: standard free-hand surgery versus using 3D-printed guides made from virtual planning. About 420 adults needing jaw reconstruction will be randomly assigned to one method. The main goal is to see which appr…

This study examines why some people with a painful tooth infection (irreversible pulpitis) don't get fully numb from a standard dental injection. Researchers will measure levels of certain genes and inflammatory markers in the tooth pulp to see if they predict anesthesia success.…

This study looks at certain substances in the saliva of children aged 6-8 with and without cavities. Researchers will apply a fluoride varnish or a combination of fluoride and chlorhexidine (a germ-killing rinse) to see how these treatments change the saliva markers over one mont…

This study collects dental plaque and checks oral health in 100 adults with high plaque levels. Half have mild gum inflammation, half have moderate-to-severe gingivitis. Researchers will compare the types of bacteria in plaque to understand why some people develop gum disease and…

This study looks at whether children with thin gums are more likely to have severely crowded teeth. Researchers will examine 180 kids aged 5 to 16 at different stages of tooth development. The goal is to find early warning signs so dentists can prevent future gum problems.

This study uses repeated MRI scans after radiation therapy to see if they can predict normal tissue damage, like bone death (osteoradionecrosis), in patients with oral cavity or skull base tumors. Researchers will track changes in imaging over time and link them to radiation dose…

This study is testing a new type of dental MRI (ddMRI) to see if it can work as well as standard dental X-rays for diagnosing problems like crowded teeth, jaw pain, and infections. About 300 adults will get a ddMRI scan and then compare the results to their regular dental images.…

This study looks at how well dental implants heal in people taking TNF-alpha inhibitors (a type of arthritis medication). Researchers will compare 15 patients on these drugs with 15 similar patients not taking them. Participants will get implants and be followed for a year with e…

This study looks at children's baby teeth that were previously treated for cavities with either silver diamine fluoride (SDF) plus a filling or just a filling alone. After the teeth are naturally lost or extracted, researchers will examine them under a microscope to see how the i…

This study follows 300 people with oral lichen planus (a chronic mouth condition) for at least 6 months to see how often it turns into oral cancer. Researchers will also look for patterns and risk factors that might predict this change. No new treatments are tested—the goal is si…

This study is looking at the gum health and mouth bacteria of 30 women who have had three or more miscarriages. Researchers want to see if there is a connection between certain bacteria in the mouth and pregnancy loss. Participants will have a standard dental checkup and provide …

This study looks at how two types of dental crowns—stainless steel and bioflex—affect oral hygiene and bacteria levels in children aged 4 to 8. Each child will get one crown of each type on opposite sides of the mouth. Researchers will measure plaque bacteria and gum health to se…

This study aims to grow miniature versions of head and neck tumors, called organoids, from patient samples. Researchers will test different cancer drugs on these organoids to see which ones work best. The goal is to eventually use this approach to tailor treatments to each patien…

This study looks at two different orthodontic techniques to bring a displaced upper canine tooth into its correct position. Researchers will use 3D X-rays to measure changes in the bone and tooth roots before and after treatment. The goal is to see which method causes less damage…

This early-phase trial tests a fluorescent dye attached to the cancer drug panitumumab to help surgeons see head and neck cancer during surgery. 18 adults with head and neck squamous cell carcinoma will receive the dye before surgery, and a special camera will highlight cancer ti…

This study checks how often two tiny parasites (Entamoeba gingivalis and Trichomonas tenax) are found in the mouths of people with and without gum disease. Researchers will collect spit and plaque samples from 120 adults and look at them under a microscope. The goal is to learn i…

This study tests a high-resolution PET-CT scanner that images removed tumors right in the operating room. About 50 adults with solid cancers will get a standard PET tracer before surgery, then the removed tissue is scanned to see if all cancer was taken out. The goal is to see if…

This study tests a 6-month program called PROTECT for caregivers of young children who need dental surgery. The program provides parenting tools and support from community health workers to improve tooth brushing and reduce added sugar intake. The goal is to prevent future caviti…

This study compares an AI-powered chatbot to traditional educational handouts for teaching African American adults about oral cancer. Researchers want to see which method helps people learn more about prevention, risk factors, and early signs. The goal is to find better ways to s…

This study looks at how immunotherapy drugs (anti-PD-1) affect bone strength in people being treated for cancer. Researchers will measure bone density and blood markers over a year in 25 patients. The goal is to understand if these treatments increase fracture risk, so doctors ca…

This study is looking for a better way to track disease activity in people with primary Sjögren's syndrome, a chronic autoimmune disease that causes dryness and can affect organs. Researchers will test a new blood marker called anti-Ro/SSA IgE in 185 participants to see if it is …

This study looks at tooth wear and tooth sensitivity in 2,500 adults across five U.S. locations. Researchers will use dental scans and questionnaires to find out how common these problems are and what factors—like diet or brushing habits—might cause them. Participants must be 18 …

This study looks at whether a doctor's computer tool (MedSafer) and patient brochures (EMPOWER) can help reduce the use of potentially harmful medications in adults aged 60 and older with rheumatic diseases who take five or more regular drugs. Researchers will follow 100 particip…

This study looks at how oral hygiene habits and gum health affect quality of life in 160 adults. Participants will have a dental exam and fill out a questionnaire about how their mouth feels day-to-day. No treatment is given—the goal is simply to understand the connection between…

This study looks at whether a feature called tumor budding can help doctors decide if early-stage oral cancer patients need neck lymph node removal. About 524 participants will be randomly assigned to either have the main tumor removed alone or also have neck dissection. The goal…

This study looks at whether what patients expect before treatment for early Lyme disease (a red rash called erythema migrans) influences how well they recover. Researchers will follow 200 patients for up to a year, checking for lingering symptoms and comparing them to healthy peo…

This study follows 375 adults who recently started experiencing tooth sensitivity and have begun using products to treat it. Over 12 months, researchers will measure changes in oral-health-related quality of life using a questionnaire. The goal is to understand how sensitivity af…

This study follows 100 adults with Sjögren's disease for 3 months to understand what causes their fatigue. Researchers will use questionnaires and pain tests to track fatigue, mood, sleep, and activity levels. The goal is to find factors that predict or explain fatigue, which cou…

This study looks at how receding gums affect people's quality of life, like eating, smiling, and feeling confident. Researchers will screen 346 adults aged 18-45 to find out how common gum recession is and what causes it. No treatments are tested—just observation and questionnair…

This study aims to see if a custom-made tumor culture system can predict how oral cavity cancer responds to the immunotherapy drug pembrolizumab before surgery. Twenty participants will provide a biopsy, receive pembrolizumab as standard care, and then have their tumor analyzed. …

This study tests whether offering hearing tests close to home or remotely increases how many head and neck cancer patients get their hearing checked during treatment. Many patients on cisplatin chemotherapy or radiation near the ear can lose hearing, but not all complete recommen…

This study from Mayo Clinic aims to find biological markers (biomarkers) in blood, tissue, and saliva that can signal the presence or absence of HPV-related oropharyngeal cancer. Researchers will follow 560 participants, including patients with and without the disease, to see if …

This study aims to find better ways to detect lung scarring (interstitial lung disease) early in people with connective tissue diseases like scleroderma or rheumatoid arthritis. Researchers will analyze tiny particles in the blood called extracellular vesicles and use AI to exami…

This study looks at how a patient's symptoms before treatment and how deep the cavity is affect the success of partial decay removal in adult teeth. One hundred adults with deep cavities will be treated and followed for 12-24 months. The goal is to see if these factors influence …

This study watches how gum grafts heal in 15 people after routine surgery for receding gums. Researchers use painless scans and blood flow tests to track swelling and new blood vessel growth. Saliva samples are also checked for healing markers. The goal is to learn what normal he…

This study aims to find biological markers in saliva, gum fluid, and tissue that can predict which people with mild gum inflammation will develop serious periodontitis. Researchers will use advanced techniques to analyze samples from 228 adults aged 18-40 with gingivitis or early…

This study surveys 100 dental professionals to find the best methods for cleaning teeth after braces are removed, aiming to reduce enamel damage and tooth sensitivity. It compares different tools and techniques used in clinics. The goal is to identify the safest, most effective a…

This observational study at the University of Chile is examining whether a specific immune pathway (JAK1/2) is overactive in people with periodontitis, a common gum disease. Researchers will compare gum tissue from 30 healthy adults and those with inflamed gums to measure pathway…

This study is for 1000 people with oral cancer or precancerous mouth lesions. Researchers will collect tissue samples and ask participants about their symptoms before, during, and after treatment. The goal is to find better ways to predict how the disease will behave and which tr…

This study looks at a new way to fix worn-down teeth using a minimally invasive approach called the One-Step No-Prep protocol. It combines small tooth-colored restorations with simple braces-like movements to improve bite and jaw function. Researchers will track 30 adults to see …

This study looks at two proteins, Gas6 and sMerTK, in the fluid around teeth to see if they differ between healthy gums, gingivitis, and periodontitis. Researchers will collect samples from 90 adults and measure these proteins. The goal is to better understand the biology of gum …

This study aims to learn more about PFAPA, a condition that causes repeated fevers, sore throats, and mouth sores in children. Researchers will collect blood, saliva, stool, and tonsil tissue from 1,500 people with PFAPA or other tonsil problems. No treatment is given; the goal i…

This study looks at whether repeated sessions of hyperbaric oxygen therapy (HBOT) can damage DNA in people who have had radiation for cancer. HBOT is used to help heal tissues damaged by radiation, but it also creates reactive oxygen molecules that might harm DNA. Researchers wil…

This study tests a new plastic mouth retractor designed to hold the mouth open during throat surgery, comparing it to the standard metal retractor. The goal is to see if the plastic version works just as well while allowing better CT imaging. About 20 adults with oral or throat c…

This study looks at whether placing a dental implant slightly deeper below the bone helps preserve bone around the implant in people with thin gums. About 30 adults with a single missing tooth will get an implant placed either at bone level or 2 mm below. Researchers will track b…

This large observational registry aims to collect data from over 13,000 adults across Europe with rare head and neck cancers, including cancers of the nasopharynx, nasal cavity, salivary glands, and middle ear. Researchers will track patient outcomes like survival, treatment resp…

This observational study aims to understand why metastatic adenoid cystic carcinoma (ACC) of the head and neck behaves differently in different people. Researchers will analyze stored tumor tissue and blood samples from 114 adults to see if certain biological types (ACC-I or ACC-…

This study uses a special high-frequency ultrasound to take detailed images of gum tissue. Researchers will compare healthy gums to gums with gingivitis (early gum disease) to see if the ultrasound can detect inflammation. About 40 adults will participate, and the goal is to find…

This study looks at whether substances in the blood from a decayed tooth can predict if a tooth-saving procedure called vital pulp treatment will succeed. Researchers will collect a small blood sample from the tooth during treatment and check for specific metabolic markers. They …

This study looks at how different oral hygiene routines (including mouthwash) affect gum health, mouth bacteria, and inflammation in people with gingivitis. About 250 adults will use assigned products twice daily for 4 weeks, then stop for 2 weeks to see how their gums and microb…

This study looks at how standard gum disease treatments—deep cleaning with or without a special mouthwash—change proteins in your saliva and affect blood vessel health. Researchers will study 30 adults with gum disease to see if these treatments help or harm the good bacteria tha…

This study looks at adults having dental procedures under general anesthesia to see if undiagnosed sleep apnea raises the risk of breathing problems after surgery. Researchers will use two common screening tools (STOP-BANG and ASA criteria) to identify high-risk patients and refe…

This study is for 300 people with salivary gland tumors (both cancerous and non-cancerous) to learn how the immune system reacts to these rare cancers. Researchers will collect tumor tissue and blood samples before and after treatment to find immune markers that might predict how…

This study looks at whether a video call (teleconsultation) with an anesthesiologist before a child's tonsil surgery works just as well as a regular in-person visit. The main goal is to see if there is any difference in breathing problems during and after surgery. About 106 child…

This study is a registry that collects information from 100 people with advanced salivary gland cancer who receive radiation and chemotherapy together after surgery. The goal is to create a database to track how well the treatment works and its side effects. It is not testing a n…

This study looks at immune markers in tumor tissue, saliva, stool, and blood from 250 head and neck cancer patients who cannot receive cisplatin chemotherapy. Researchers want to see if these markers can predict how well patients respond to chemoradiotherapy with docetaxel. The g…

This study will test whether special MRI scans can accurately detect and track damage to the mouth and jaw caused by radiation therapy for head and neck cancers. Researchers will enroll 300 adults undergoing radiation, with some receiving additional MRI scans before and after tre…

This study surveys 100 French dentists who treat children to understand why they often choose extraction for non-vital baby teeth, even though effective alternatives like pulpectomy exist. The goal is to collect and analyze their treatment choices, reservations, and decision-maki…

This study is recruiting 50 adults to understand what factors make gum recession more likely after orthodontic treatment. Researchers will measure gum health, bite patterns, and other dental features in people with and without a history of braces. The goal is to create a simple g…

This study looks at whether changes in the bacteria living in your mouth and gut (the microbiome) are linked to head and neck cancer. Researchers will collect stool and saliva samples from 60 people—half with cancer and half without—to compare their microbial makeup. The goal is …

This study looks at whether archaea, a type of microbe, are involved in tooth decay. Researchers will collect saliva and cavity tissue samples from 200 adults to check for the presence and amount of archaea. The goal is to better understand what causes cavities and possibly find …

This study looks at how cancer and its treatments change a person's sense of taste and smell, and how that affects their eating and nutrition. Researchers will follow 306 people newly diagnosed with cancer of the mouth, throat, colon, or liver. They will use questionnaires, taste…

This study aims to better understand burning mouth syndrome by having 10 participants use a smartphone app to report their symptoms several times a day for 12 weeks. Researchers will also collect saliva samples to look for biological markers linked to the condition. The goal is t…

This study is building a large registry and biorepository of 5,000 adults with various rheumatic diseases like rheumatoid arthritis, lupus, and scleroderma. Researchers at Yale University will collect medical data and biological samples over time to better understand these condit…

This study looks at whether children with a condition called molar incisor hypomineralization (MIH), which causes weak enamel on molars and front teeth, experience more stress during dental checkups. Researchers will measure stress by testing saliva for cortisol and checking hear…

This study is counting how common oral mucosal lesions (sores, growths, or color changes inside the mouth) are among Egyptian adults. Researchers will examine about 14,600 people at a hospital in Cairo and ask about risk factors. No treatment or drug is being tested—this is purel…

This study looks at how small fiber neuropathy (nerve damage causing pain, burning, and numbness) impacts the quality of life and medical costs for people with Sjögren's syndrome. Researchers will follow 100 adults with Sjögren's to measure their symptoms, daily functioning, and …

This study tests whether a digital intraoral scanner can capture the shape of the mouth as accurately as the traditional border-molded impression method for making complete dentures. Ten adults who have lost all their teeth will get both types of impressions, and researchers will…

This early-phase study is testing a small implantable device that delivers tiny amounts of different drugs directly into head and neck tumors. The goal is to see which drugs are most effective for each person before they undergo full treatment. The study involves 30 adults with c…

This study tests whether artificial intelligence can predict if a less invasive procedure called full pulpotomy (removing only the infected pulp) will succeed in treating painful molars, compared to standard root canal treatment. Researchers will enroll 58 adults with irreversibl…

This research study collects health information from 10,000 people with brain inflammation conditions like Long COVID, ME/CFS, and autoimmune diseases. Participants use a smartphone app to share symptoms, health history, and wearable data. The goal is to find disease subtypes and…

This registry enrolls pregnant women or those planning pregnancy who have autoimmune diseases like lupus or rheumatoid arthritis. Researchers at Duke University will track health data to find ways to improve outcomes for mothers and babies. The goal is to better understand risk f…

This study looks at children who had dental treatment under general anesthesia for severe early childhood cavities between 2015 and 2020. Researchers will measure their current risk for new cavities using a special tool that considers diet, oral hygiene, and other factors. The go…

This study tests whether using an intraoral camera to show parents real-time images of their child's teeth and gums leads to better brushing and less plaque than standard verbal instructions. Forty children aged 5-7 and their parents will be split into two groups: one gets camera…

This study is testing whether wearing a fitness tracker (like a Fitbit) can give doctors a better picture of how active cancer patients are, and whether that activity level relates to how well they are doing overall. About 590 people with various cancers will wear activity monito…

This study tests whether adding high-resolution sequences to a standard MRI can more accurately show the position of a parotid tumor relative to the facial nerve. About 88 adults scheduled for first-time parotid tumor surgery will receive the enhanced MRI before their operation. …

This study looks at how quickly people can bite and slide their teeth when wearing a lower denture held in by either two regular-sized implants or four smaller mini-implants. Researchers will measure the time it takes to close the bite and to slide the teeth apart. The goal is to…

This study is looking at whether certain markers in blood and saliva can predict how well people with gum disease heal after non-surgical treatment. Researchers will measure these markers in 180 adults with healthy gums, gingivitis, or advanced periodontitis before and after trea…

This study looks at how natural cannabis compounds (phytocannabinoids) affect immune cells from 100 people with chronic inflammatory diseases like rheumatoid arthritis, lupus, and Crohn's disease. Researchers will take a blood sample and expose the cells to different cannabis ext…

This study looks at whether the phase of a woman's menstrual cycle changes how well dental numbing works for treating a painful tooth condition called pulpitis. Researchers will give 150 women a standard numbing shot and measure pain during treatment. The goal is to see if certai…

This observational study uses ultrasound to compare the jaw (masseter) muscle in children aged 3 to 8 with and without enlarged adenoids. Researchers will measure muscle thickness and structure, and check dental bite patterns. The goal is to see if adenoid hypertrophy is linked t…

This study tests whether a computer-assisted method called virtual lesion segmentation can help surgeons remove mandibular ameloblastoma more precisely. Ten patients with this rare jaw tumor will have their surgery planned using 3D imaging to set a 10-mm safety margin. The goal i…

This trial compares how quickly patients recover from two types of general anesthesia during mouth tumor surgery. 42 adults will receive either propofol (TIVA) or sevoflurane (inhalation). Researchers will measure recovery quality, muscle strength, nausea, and shivering up to 30 …

This study aims to develop a better way to measure oral health using photographs and imaging software, rather than traditional dental exams. About 275 adults will use different toothpastes or mouthwashes for up to 6 months, and researchers will track plaque levels, gum health, an…

This study looks at whether a blood test that finds circulating tumor cells (CTCs) can help decide if oral cancer patients need extra chemotherapy after standard treatment. About 100 patients who have completed surgery and chemoradiotherapy will be tested. If their CTC count is h…

This study looks at how losing all your teeth and getting dentures affects your sense of taste, touch in the mouth, and food likes. Researchers will compare 40 people who have worn dentures for at least a year with 40 people who still have their natural teeth. The goal is to unde…

This study looks at how inflammation in the gums affects the body's immune response during wound healing after a tooth is pulled. Researchers will measure gum health before extraction, take small tissue samples right after and again two weeks later, and check healing at three mon…

This study aims to find a way to predict which cancer patients will experience side effects from immunotherapy. These side effects happen when the immune system attacks healthy tissues, similar to autoimmune diseases. Researchers will collect blood samples from 300 cancer patient…