Chronic periodontitis

This phase 3 trial tests whether the drug bimekizumab can clear or nearly clear the pustules and skin lesions of palmoplantar pustulosis (PPP) on the hands and feet. About 320 adults with moderate to severe PPP will receive either bimekizumab or a placebo for 16 weeks, with an op…

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 a gel that turns into a gel when warmed, used alongside standard gum disease treatment. It includes 70 adults, some with type 2 diabetes and some without, to see if the gel helps gums heal better and if healing differs between the two groups. Participants wi…

This study tests whether an electrolysed saline mouth rinse can improve standard gum disease treatment. Sixty adults with advanced periodontitis will use either the saline rinse, a standard antiseptic rinse, or a placebo for one month. The goal is to see if the rinse reduces deep…

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 two ways to treat gum disease without surgery: using an ultrasonic device or special hand tools. About 36 adults with moderate to severe periodontitis will be randomly assigned to one method. Researchers will check gum pocket depth and bone levels over a year …

This study tests whether a hyaluronic acid gel can help regrow bone lost to severe gum disease, compared to the standard enamel matrix derivative gel or no gel at all. All treatments use a minimally invasive, non-surgical technique. Sixty adults with advanced periodontitis will b…

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 tests whether a gel made from a patient's own blood can improve gum healing after standard deep cleaning for moderate to severe gum disease. About 14 adults with gum pockets of 5mm or deeper will receive the blood gel on one side of the mouth and a saltwater rinse on t…

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 a gel made from enamel proteins can thicken gum tissue around dental implants. Researchers will measure gum thickness in 32 adults who need implant uncovering surgery. The goal is to see if this treatment improves gum health and implant stability.

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 study tests whether treating severe gum disease can reduce inflammation in the arteries of people who have recently had a heart attack. 210 participants will be randomly assigned to receive either intensive periodontal treatment or standard dental care. The main goal is to s…

This study tests a non-surgical treatment for deep gum pockets (furcation defects) in people with advanced periodontitis. One side of the mouth gets a chitosan brush plus enamel matrix derivative; the other side gets the brush alone. The goal is to see if the added gel improves g…

This study explores whether a simple finger-prick blood sugar test done during a routine dental visit can help find people with advanced gum disease who have undetected high blood sugar. Adults with severe periodontitis but no known diabetes will be tested at the dental clinic an…

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 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 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 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 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 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 compares two types of ultrasonic devices used to clean deep gum pockets in people with early-stage periodontitis. Researchers want to see which device causes less pain, noise, and vibration during treatment, and how well each helps gums heal. Fifty-two adults will be r…

This study examines a possible connection between gum disease and chronic neck pain. Researchers will compare neck pain intensity and daily disability among adults aged 30-55 with healthy gums, gingivitis, or periodontitis. Participants complete pain scales and questionnaires to …

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 looks at whether deep dental cleaning (subgingival instrumentation) can reduce 'allostatic load' — the wear and tear stress puts on the body. Researchers will treat 112 adults aged 30-50 with gum disease and measure inflammation, blood sugar, and cholesterol levels bef…

This study is checking how often the fungus Candida albicans shows up in the gums of 100 Syrian adults with periodontitis (serious gum disease). Researchers will collect plaque samples and measure gum health to see if the fungus is linked to more severe disease. The goal is to be…

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 observational study looks at gum tissue from people with aggressive or chronic periodontitis and healthy gums. Researchers use advanced genetic tools to map cell types and signals that make aggressive disease different. Only small tissue and blood samples are taken during pl…

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 looks at whether taking probiotics (with or without vitamin B12) can improve the health of the mouth's bacteria and reduce gum disease in adults with severe periodontitis. Participants will receive standard gum treatment plus either a probiotic lozenge, a probiotic wit…

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 a protein called Mitofusin-1 in saliva to see if it can help measure how severe gum disease is and how well treatment works. Researchers will compare healthy people, those with mild to severe gum disease, and smokers with severe gum disease. Participants give …

This study examines how B cells, a type of immune cell, behave in the blood and gums of people with periodontitis (gum disease). Researchers want to see if certain B cell patterns are linked to more aggressive disease and how they change after surgery. The goal is to improve diag…