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Chronic apical periodontitis
MONDO:0001251Chronic form of periapical periodontitis.
Also known as: chronic periapical periodontitis, periapical periodontitis, chronic
106 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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Molecular map may guide treatment for mysterious inflammatory illnesses
Disease control CompletedThis study tested whether analyzing a patient's DNA and RNA could help doctors pick the right drug for inflammatory diseases that don't fit standard categories. 32 adults with at least two affected organs (including skin) received one of six targeted therapies based on their mole…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 12:36 UTC
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Can one dental visit heal an infected tooth root as well as two?
Disease control CompletedThis study tested whether a single dental visit for regenerative root canal treatment works as well as the usual two-visit approach for mature teeth with chronic infection. Thirty-two adults received either a one-session or two-session procedure, and researchers tracked pain duri…
Phase: NA • Sponsor: Marmara University • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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Blood clot breakthrough: new dental therapy speeds healing
Disease control CompletedThis study looked at whether using a patient's own blood product (L-PRF) can improve bone healing after surgery for a persistent tooth-root infection. Fifteen adults with large infections around the tooth root were treated and followed for 12 months. The goal was to see if adding…
Phase: NA • Sponsor: Seyda Ersahan, DDS, PhD • Aim: Disease control
Last updated Jun 27, 2026 09:08 UTC
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Tooth infection showdown: which paste stops pain best?
Disease control CompletedThis study tested three different medications placed inside the tooth root after cleaning to see which one works best for reducing pain, fighting bacteria, and helping bone heal. 45 adults with a single infected tooth took part. The medications compared were N-acetylcysteine, cal…
Phase: NA • Sponsor: Ataturk University • Aim: Disease control
Last updated Jun 27, 2026 08:11 UTC
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Tooth infection healing: which irrigation technique wins?
Disease control CompletedThis study tested three ways to clean infected root canals in 97 people with large tooth infections. The methods were manual movement, ultrasonic vibration, and laser activation. Researchers measured how much the infection shrank over one year using 3D scans. The goal was to find…
Phase: NA • Sponsor: Recep Tayyip Erdogan University • Aim: Disease control
Last updated Jun 27, 2026 08:07 UTC
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New rapid test for infection and inflammation put to the test
Diagnosis CompletedThis study looked at how well a new, quick finger-prick test (LumiraDx CRP) measures CRP levels compared to a standard lab test. CRP is a marker of infection, inflammation, or tissue injury. 79 adults with symptoms of these conditions took part. The goal was to see if the new tes…
Sponsor: LumiraDx UK Limited • Aim: Diagnosis
Last updated Jun 27, 2026 13:07 UTC
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New scale could help predict fall risk for hospital patients in turkey
Diagnosis CompletedThis study tested a Turkish version of the Johns Hopkins In-Room Independence Scale, which measures a patient's ability to move, use the toilet, and think clearly while in their hospital room. Researchers worked with 100 adults who had conditions like stroke, Parkinson's, or ampu…
Sponsor: Sisli Hamidiye Etfal Training and Research Hospital • Aim: Diagnosis
Last updated Jun 27, 2026 09:08 UTC
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New PET tracer aims to light up hidden infections
Diagnosis CompletedThis early study tested a new radioactive tracer called 18F-FDS in 16 people with suspected bacterial or fungal infections. The tracer is designed to light up infection sites on PET/CT scans, helping doctors see exactly where an infection is. The goal was to check how the tracer …
Sponsor: Johns Hopkins University • Aim: Diagnosis
Last updated Jun 27, 2026 08:03 UTC
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Precision dental surgery boosts healing and comfort
Symptom relief CompletedThis study tested a more precise dental surgery for people with persistent root infections after standard treatment. Using a 3D-printed guide, surgeons aimed to remove infected tissue more accurately, reduce surgery time, and improve quality of life. The trial involved 70 adults …
Phase: NA • Sponsor: Postgraduate Institute of Dental Sciences Rohtak • Aim: Symptom relief
Last updated Jun 27, 2026 12:30 UTC
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New study tests best way to shape root canals for less pain
Symptom relief CompletedThis study looked at 168 adults with a silent tooth infection (asymptomatic apical periodontitis) to see if different root canal shaping tools affect pain after the procedure. Participants received one of four shaping methods, including using a single file or combining files. The…
Phase: NA • Sponsor: Harran University • Aim: Symptom relief
Last updated Jun 27, 2026 11:00 UTC
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Could a cold rinse and diabetes drug soothe root canal pain?
Symptom relief CompletedThis study tested whether rinsing the tooth with cold saline (cryotherapy) or placing metformin (a diabetes drug) inside the tooth can reduce pain after root canal treatment. 80 adults with infected lower premolars were randomly assigned to receive one of four treatments. Pain wa…
Phase: PHASE2 • Sponsor: Celalettin Topbaş • Aim: Symptom relief
Last updated Jun 27, 2026 09:08 UTC
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Sonic clean boosts root canal germ kill, but pain same
Symptom relief CompletedThis study tested a device called EDDY that uses sound waves to clean root canals better. Forty adults with infected teeth but no pain were treated. The sonic cleaning killed more bacteria than standard methods, but it did not reduce pain after the procedure compared to usual car…
Phase: NA • Sponsor: Abdulkadir Tiftik,DDS • Aim: Symptom relief
Last updated Jun 27, 2026 09:06 UTC
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Which rinse hurts less? study tests root canal irrigation methods
Symptom relief CompletedThis study looked at 88 healthy adults with infected teeth to see if different irrigation methods during root canal treatment affect pain afterward. Participants had a tooth with a chronic infection and received one of several irrigation techniques. The goal was to find which met…
Phase: NA • Sponsor: Akdeniz University • Aim: Symptom relief
Last updated Jun 27, 2026 09:05 UTC
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Physiotherapy students test muscle relief techniques on themselves
Symptom relief CompletedThis study looked at how common muscle and posture problems are in physiotherapy students and whether a special physiotherapy program could help. 44 students with back pain and muscle tightness received treatments like trigger point release, stretching, and joint mobilization. Th…
Phase: NA • Sponsor: Charles University, Czech Republic • Aim: Symptom relief
Last updated Jun 27, 2026 08:13 UTC
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Which root canal filler hurts less? study tests three options
Symptom relief CompletedThis study looked at three different root canal sealers to see if any caused less pain or helped teeth heal faster. Seventy-two adults with infected single-rooted teeth received standard root canal treatment with one of the sealers. Pain was checked right after, at 24 hours, and …
Phase: NA • Sponsor: Kahramanmaras Sutcu Imam University • Aim: Symptom relief
Last updated Jun 27, 2026 08:11 UTC
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Which root canal filler hurts less? new study has answers
Symptom relief CompletedThis study looked at 70 adults with a silent tooth infection (asymptomatic apical periodontitis) to see if the type of sealer used during root canal treatment affects pain afterward. Participants received either a bioceramic sealer (BioRoot RCS) or a resin-based sealer (AH Plus) …
Phase: NA • Sponsor: AZİZ ŞAHİN ERDOĞAN • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
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Who should control your sedation during surgery? new study compares options
Symptom relief CompletedThis study looked at whether letting patients control their own sedation during arm surgery under regional anesthesia leads to higher satisfaction compared to having an anesthesiologist control it. 70 adults having upper limb orthopedic surgery were randomly assigned to either pa…
Phase: NA • Sponsor: GCS Ramsay Santé pour l'Enseignement et la Recherche • Aim: Symptom relief
Last updated Jun 27, 2026 07:59 UTC
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Which sealer hurts less? 120 patients tested
Symptom relief CompletedThis study looked at 120 adults needing a root canal to see if one sealer (AH Plus or WellRootST) causes less pain afterward. Pain was checked before treatment and at several points up to one month later. The goal is to help dentists choose the better option for patient comfort.
Phase: NA • Sponsor: Medipol University • Aim: Symptom relief
Last updated Jun 27, 2026 07:59 UTC
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New guided surgery technique could improve healing after failed root canals
Symptom relief CompletedThis study tested whether using 3D-guided microsurgery helps bone heal better after a failed root canal compared to standard surgery. It also compared two different filling materials: a newer bioceramic putty and the standard MTA. Twenty-four adults with persistent infections aft…
Phase: NA • Sponsor: Suez Canal University • Aim: Symptom relief
Last updated Jun 27, 2026 07:52 UTC
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Could a sonic wand make root canals less painful?
Symptom relief CompletedThis study tested whether using a sonic device (EndoActivator) to clean the tooth during a root canal reduces pain afterward. Fifty-eight adults with tooth infections were randomly assigned to get either the sonic cleaning or standard syringe irrigation. Pain was measured before …
Phase: NA • Sponsor: CMH Lahore Medical College and Institute of Dentistry • Aim: Symptom relief
Last updated Jun 27, 2026 07:52 UTC
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Study explores how family and friends impact caregiver health
Knowledge-focused CompletedThis completed study looked at how the social networks of caregivers affect their stress and health when caring for someone with an inherited disease. Researchers surveyed over 680 participants, including family members and formal caregivers, to understand caregiving burden and s…
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Jul 02, 2026 00:00 UTC
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New turkish health survey could improve care for muscle and joint problems
Knowledge-focused CompletedThis study translated the Generic Functional Index, a questionnaire that measures how well people can do daily activities, into Turkish. Researchers tested it with 200 adults who have muscle or joint problems to see if it is accurate and reliable. The goal is to give Turkish-spea…
Sponsor: Istanbul Bilgi University • Aim: Knowledge-focused
Last updated Jun 28, 2026 00:00 UTC
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Scientists track germs in root canals during standard dental care
Knowledge-focused CompletedThis study looked at how the types of bacteria in an infected root canal change during routine dental treatment. Twenty-four adults with a chronic tooth abscess received standard root canal therapy using one of two bleach solutions (5.25% or 3% sodium hypochlorite) followed by a …
Phase: NA • Sponsor: Hasanuddin University • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:03 UTC
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Blood injection may boost tooth infection healing
Knowledge-focused CompletedThis study looked at whether injecting a substance made from a patient's own blood (injectable platelet-rich fibrin, or i-PRF) could help heal teeth with chronic infection at the root. Sixty adults with infected teeth received standard root canal treatment; half also got the i-PR…
Sponsor: Kırıkkale University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Physios take on ER duty: study tests if they can replace doctors for back pain
Knowledge-focused CompletedThis study tested whether specially trained physiotherapists can safely diagnose and treat non-urgent muscle and joint pain in the emergency room, compared to standard care from doctors. 102 patients with back, neck, or shoulder pain were randomly assigned to either a physiothera…
Phase: NA • Sponsor: Bern University of Applied Sciences • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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Gum health tied to dental Know-How in new turkish study
Knowledge-focused CompletedThis completed study looked at 108 Turkish adults to see if understanding dental health information is linked to gum health. Participants took a reading test about dentistry and had a dental exam. The goal was to find out if people with lower health literacy have worse gum diseas…
Sponsor: Biruni University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Root canal may lower inflammation and protect arteries, study suggests
Knowledge-focused CompletedThis study looked at whether treating a chronic tooth infection (apical periodontitis) can reduce inflammation and improve the health of blood vessel walls. Researchers measured inflammatory markers and blood vessel barrier proteins in 45 healthy adults aged 25-55, both with and …
Sponsor: University of Turin, Italy • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:07 UTC
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Smoking linked to worse gum health in new study
Knowledge-focused CompletedThis completed study looked at how smoking affects gum health in 484 adults. Researchers compared current smokers to non-smokers by measuring plaque, gum bleeding, pocket depth, and gum recession. The goal was to better understand the link between smoking and periodontal disease.
Sponsor: Tuğba ŞAHİN • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC
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Laser treatment fails to improve root canal outcomes in small study
Knowledge-focused CompletedThis study looked at whether using a special laser (Nd:YAG) during root canal treatment could help reduce inflammation and oxidative stress in infected teeth. Researchers measured certain markers in fluid samples from 58 patients. The results showed that the laser did not provide…
Sponsor: Kırıkkale University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:04 UTC
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Can CRPS patients imagine movement? new study investigates
Knowledge-focused CompletedThis completed study compared how well people with complex regional pain syndrome (CRPS), people with other muscle or bone pain, and healthy individuals can imagine movements. Researchers used a questionnaire called the MIQ-RS to measure motor imagery skills. The goal was to see …
Phase: NA • Sponsor: Centre Hospitalier Universitaire de Nīmes • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC
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Coffee drinkers: your morning cup may impact your gums!
Knowledge-focused CompletedThis study examined 318 adults to see if coffee drinking habits are linked to gum health. Participants were grouped by gum condition (healthy, gingivitis, or periodontitis) and asked about their coffee intake. Researchers measured plaque, bleeding, and gum pocket depth to find an…
Sponsor: Tuğba ŞAHİN • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC
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Mind, spirit, and pain: new study explores what chronic pain patients really believe
Knowledge-focused CompletedThis study surveyed 116 adults with chronic pain at a rehabilitation clinic to understand how their pain beliefs, spiritual well-being, and attitudes toward complementary and alternative medicine are related. Participants filled out several questionnaires about their pain, mood, …
Sponsor: Gulseren Demir Karakilic • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC