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AI and volunteers team up to fight gum disease in seniors

NCT ID NCT07187453

Disease control Sponsor: The University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether personalized oral hygiene advice, delivered through an AI-powered mobile health app by trained volunteers, can improve gum health in older adults. Eighty-eight participants aged 60 and over from daycare centers in Hong Kong will receive bi-weekly advice based on AI analysis of photos of their gums. Researchers will measure changes in gum inflammation, plaque, and quality of life over one year.

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 via AI-assisted mobile health tool
What this could lead to
If it works, this could offer a low-cost, scalable way to improve gum health in older adults using volunteers and smartphone technology.
What could go wrong
This is a small, early-stage study with 88 participants, so results may not apply broadly. The intervention relies on volunteers and self-reported outcomes, which may limit reliability.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

About 88 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

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

60 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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 aged ≥60 years and able to give informed consent: * Subjects who are mentally and cognitively healthy * Subjects who have at least 20 anterior maxillary or mandibular natural teeth including incisors and canine. * Subjects who can speak, read, or understand Cantonese for complete the satisfaction 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 less than 20 anterior maxillary or mandibular natural teeth with or without dental prostheses in those area. * 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. * Subjects who cannot attend weekly oral hygiene instruction at centers.

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Conditions

The condition(s) this trial relates to.

gingivitis periodontal disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Gum inflammation Oral hygiene, oral health Periodontal diseases

Contacts and locations

Locations

  • Prince Philip Dental Hospital

    Hong Kong, Central and Western, 999077, Hong Kong

More trials for these conditions

Other studies related to the condition(s) this trial covers.