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The shape of your gums: why dentists want to know

NCT ID NCT06981871

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nice Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 18, 2026 · Last updated Sep 18, 2026

Summary

Researchers measure the thickness and height of gums around the front upper and lower teeth in dental students at two French university hospitals. The study aims to find out how common different gum types are and which everyday factors, such as smoking or orthodontic history, might link to thinner, more fragile gums. Participants are healthy adults with no active gum disease. The team uses a periodontal probe and clinical photographs to record each person's gum characteristics.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If researchers map which gum types are common, dentists could better predict who is at risk of gum recession and tailor care to protect fragile gums.
What could go wrong
This study only observes and measures, so it cannot prove what causes gum problems or whether any treatment works. Findings in dental students may not apply to the wider public.

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.

Participants

About 245 people

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

Started

Jun 2025

Expected to finish

Nov 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.

Who is studied

Dental students at the university hospitals of Nice and Nancy (France)

Ages

18 years and older

Sex

Anyone

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: * Age (18 years old or older), * Dental student on the university hospitals of Nice and Nancy. * Social security affiliate. * Systemically healthy. * Healthy and intact periodontium. * Informed consent. Exclusion Criteria: * Pregnancy. * Under any regular medical treatment. * Active periodontal disease. * Enduring orthodontic treatment. * Periodontal surgery in the mandibulary anterior region. * Non consent patient. * Patient under judgment trials.

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As listed by the trial registrant

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

Gingiva Phenotype

Contacts and locations

Locations

  • CHU NICE

    Nice, Alpes Maritimes, 06000, France

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