Papillon-Lefevre disease

This study explores whether gas samples from the mouth can be collected and analyzed up to 7 days later to diagnose halitosis (bad breath). Researchers will take breath samples from 100 adults with gum disease and measure volatile sulfur compounds—the molecules responsible for ba…

This study tests an artificial intelligence system that measures the width of keratinized gingiva (a type of gum tissue) from smartphone photos. Researchers will compare the AI's measurements to those made by dental experts to see how accurate the tool is. The goal is to make gum…

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 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…

This study tests whether wearable sensors and digital home tasks can track changes in movement, speech, and falls in people with ALS. About 20 participants will wear neck and wrist sensors and complete speech and handwriting tests over 48 weeks. The goal is to see if these digita…

This 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…

This 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.