Can AI coach your gums to better blood sugar?
NCT ID NCT07841717
First seen Sep 25, 2026 · Last updated Sep 25, 2026
Summary
Researchers are testing whether personalized oral hygiene advice from an AI system can improve gum health and blood sugar control in adults with type 2 diabetes. Participants receive coaching either from the AI, which analyzes a smartphone photo of their front teeth and flags gum inflammation, or from dental professionals, and a third group gets standard advice. The trial measures gum inflammation, plaque, and blood sugar markers like HbA1c over 12 months to see how the approaches compare.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- personalized oral hygiene advice delivered by an artificial intelligence system or by dental professionals
- What this could lead to
- If AI coaching works as well as a dental professional, it could offer a low-cost way to help people with diabetes manage gum health and blood sugar at home.
- What could go wrong
- This is a small, single-region study, and AI advice may not match a trained clinician or change long-term blood sugar. Gum health and glucose are also influenced by many factors outside oral care.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 105 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Subjects who are \>18 years of age and able to give informed consent. * Subjects who are mentally and cognitively healthy. * Subjects who are with T2DM state with impaired HbA1c \> 6.4%, or impaired fasting plasma glucose level \> 6.9 mmol/L or impaired plasma glucose level after 2h OGTT \> 11.0 mmol/L. * Subjects who can speak, read, or understand Cantonese to complete the questionnaire. * Subjects who can practice oral hygiene procedure (regular tooth brushing and interdental cleansing/flossing/brushing) daily on their own independently. Exclusion Criteria: * Subjects who have mental illness, or similar problems that unable to complete the satisfaction questionnaire. * Subjects who cannot perform oral hygiene procedure (regular tooth brushing and interdental cleansing/flossing/brushing) by any condition of oral cavity such as tumor or maxillomandibular fixation.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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