Periapical periodontitis

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 compares two methods for disinfecting root canals in teeth with apical periodontitis (an infection at the tooth root). Fifty adults with infected molars will receive either a laser-based disinfection or a standard protocol. The goal is to see which method reduces bacte…

This study compares three different root canal dressings used between visits in retreatment cases. The goal is to see which one best reduces inflammation, shrinks infection-related lesions, and lowers pain. Sixty adults with previously treated but still infected lower first molar…

This study compares two medications placed inside the tooth after a failed root canal: standard calcium hydroxide and the painkiller diclofenac sodium. Sixty patients with persistent infection around the tooth root will be randomly assigned to one of the two treatments. Healing w…

This study tests whether a diode laser, apple cider vinegar, or the herb Gymnema Sylvestre can better disinfect root canals in people with type 2 diabetes who have a tooth infection called apical periodontitis. Ninety participants will be split into groups receiving different com…

This study tests whether two nano-sized pastes—nano-calcium hydroxide and nano-chitosan—can reduce inflammation and pain in people who need a second root canal treatment. The trial will enroll 63 adults with a single-rooted tooth that has a persistent infection and no current pai…

This study tests two different root canal filling pastes (iRoot SP and nRoot SP) in 160 adults with chronic tooth infection. The goal is to see which paste better heals the infection and relieves symptoms like pain and swelling. Participants will be followed for up to 2 years aft…

This study compares standard root canal retreatment with a regenerative method using injectable platelet-rich fibrin (i-PRF) in 140 adults with persistent tooth infections. Participants are randomly assigned to one of the two treatments and followed for two years to assess healin…

This study tests whether using a toothpaste with sodium bicarbonate (baking soda) and fluoride can help maintain gum health in adults who have already had non-surgical gum treatment. One hundred participants will use either the special toothpaste or a placebo for six months, whil…

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 study tests whether simvastatin, a common cholesterol drug, can fight infection and reduce inflammation when placed inside a tooth during root canal retreatment. Fifty-four adults with a single-rooted tooth that had a failed root canal and a small area of bone loss around th…

This study tests whether using an 810 nm diode laser during root canal retreatment helps the bone around the tooth heal better. Forty adults with a failed root canal and a visible infection will receive standard retreatment plus either laser disinfection or a calcium hydroxide pa…

This early-stage study tests a new imaging agent called 18F-4FN for PET scans to safely detect inflammation in the body. It involves 55 adults with cancer who are on immunotherapy or have suspected inflammation. The goal is to see if this agent can highlight areas of inflammation…

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 aims to see if a special MRI designed for teeth can diagnose jaw joint disorders, tooth infections, and help plan dental implants as well as or better than traditional X-rays. About 470 adults needing dental imaging will get both an MRI and standard X-rays, and the res…

This study tests whether using different nickel-titanium file systems, alone or with an XP-Endo Finisher irrigation device, can reduce pain after root canal treatment. Eighty adults with infected molars will be randomly assigned to one of four groups. Pain levels will be recorded…

This study tests two standard methods—manual scraping with a hand tool or using a small rotating bur—to clean out unhealthy tissue from a tooth socket after extraction. About 60 adults with long-term tooth infections will be randomly assigned to one method, then all receive a bon…

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 compares two different irrigation techniques used during root canal retreatment to see which one leads to less pain afterward. About 100 adults with a previous root canal and ongoing infection will take part. The goal is to find a simple way to improve comfort after th…

This study looks at whether doing breathing exercises before orthopedic surgery (like knee, hip, or fracture repair) can help your lungs work better after the operation. It involves 36 adults who have used tobacco and are at risk for breathing problems after surgery. Participants…

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 whether applying a special gel (cross-linked hyaluronic acid) during root-end surgery helps the gums heal faster and reduces pain afterward. About 46 adults with a tooth infection that didn't heal after standard root canal treatment will take part. Half will get …

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 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 whether a program of exercise and ergonomics training can reduce muscle and joint pain in teachers. About 80 teachers who have had pain for at least three months will be randomly assigned to receive the training or not. Researchers will measure changes in pain, d…

This study tests a web-based app called IAMABLE that provides evidence-based rehabilitation strategies for people with chronic conditions like heart disease, arthritis, or neurological disorders. Fifty adults aged 45 to 75 will use the app for 4 months to set goals and learn abou…

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 looks at two types of dental sealers used during root canal treatment to see which one leads to less pain afterward. Sixty adults with a painless tooth infection around the root tip will be randomly assigned to receive either a calcium-based bioceramic sealer or a resi…

This study tests whether extra support for case managers helps veterans leaving the military better manage pain and reduce risky substance use. About 1800 veterans will take part. The program focuses on non-drug pain treatments and counseling.

This study tests whether using a special laser to disinfect the root canal can lower inflammation and pain after a root canal has failed. Fifty-two adults with a failed root canal and a visible infection on X-ray will receive either standard cleaning plus the laser or standard cl…

This study aims to learn more about rare skeletal disorders by collecting medical records, blood samples, and genetic data from 100 participants. People with known or suspected bone conditions, as well as their healthy family members, can join either remotely or in person. The go…

This study translates and tests several health questionnaires—covering pain, arm and leg function, mood, and daily activities—for use with Albanian-speaking people. Researchers will check if the translated versions are reliable and accurate by giving them to about 300 participant…

This study tests a new tool called the PRISM Dashboard, which gives physiotherapists feedback on how their decisions compare to their peers. The goal is to see if this feedback helps reduce differences in care for people with muscle and joint pain. About 60 physiotherapists and t…

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 pilot study is measuring prednisolone levels in 120 people with inflammatory diseases like thyroid eye disease, vasculitis, COPD, asthma, and others. Participants take high-dose prednisolone as part of their routine care, and researchers take timed blood samples to see how t…

This study follows 252 adults with muscle, bone, or joint problems (like arthritis, back pain, or after surgery) to see how well they do their prescribed home exercises. Researchers will track who sticks with the program and why, looking at factors like pain, mood, and support. T…

This study tests whether using a virtual reality (VR) headset during shoulder exercises helps patients feel more engaged and motivated. Fifty adults with shoulder problems will do rehab exercises in a VR environment and then answer questionnaires about how easy and immersive the …

This study looks at whether using different concentrations of sodium hypochlorite (a type of bleach) during root canal retreatment can change pain levels and certain nerve chemicals in the tooth. Sixty adults needing a repeat root canal will be randomly assigned to receive 1%, 2.…

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 looks at 320 adults who are about to start strong immune-suppressing therapy and have already had at least two COVID-19 shots. Researchers want to find out if giving a COVID-19 booster right before starting therapy or waiting six months provides better protection. Part…

This study aims to create a secure national database for muscle and joint (musculoskeletal) conditions by collecting routine data from community clinics and GP practices. About 22,000 adults will have their information anonymously gathered to help develop a dashboard that tracks …

This study watches 2000 people having hip or knee replacement surgery to see how long spinal anaesthesia lasts. The goal is to learn how the amount of anaesthetic affects timing, helping doctors decide if patients can safely go home the same day. No new treatments are tested—just…

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 study looks at whether root canal treatment can reduce inflammation markers linked to heart disease in people with stable coronary artery disease and infected tooth roots. Eighty adults will either get immediate root canal treatment or wait three months. Researchers will mea…

This study looks at how changing the heel cushion on an ankle-foot brace (AFO) affects walking in people who use one daily. Forty adults with leg injuries or nerve problems will try four different heel wedges—tall or short, soft or firm—while walking at controlled speeds. Researc…

This study looks at how 3D computer simulation and printing can help surgeons better plan and perform bone correction surgeries. Researchers will compare the planned corrections to the actual results in 100 children and young adults with rare bone deformities. The goal is to make…

This study follows 4,000 children who receive orthopedic implants (like rods or screws) during standard care for bone fractures, deformities, or hip problems. Researchers will track how long the implants last, any complications, and how well they work over time. The goal is to ga…

This study is building a registry of people with rare bone diseases (skeletal dysplasias) in Italy. Researchers will collect medical history, genetic data, and treatment details over time to better understand how these conditions progress. No experimental treatments are given; th…

This study follows 144 adults with muscle or bone problems who are already scheduled to receive treatment with Chattanooga Intelect devices (like TENS or ultrasound). Researchers will measure pain, muscle strength, and movement range to confirm the devices are safe and work as ex…