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Braces and brushing: which teaching method works best for teens?

NCT ID NCT04444154

Knowledge-focused Sponsor: Rennes University Hospital 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested three different ways to teach oral hygiene to 90 teenagers with braces. One group got standard advice, another had hands-on brushing practice, and the third watched a video and took a quiz. The goal was to see which method best reduced plaque and gum inflammation after six months. The findings could help orthodontists choose the most effective teaching approach.

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 successful, this could show which teaching method works best for keeping teeth clean during orthodontic treatment, helping dentists give better advice.
What could go wrong
This is a small, completed study with only 90 participants, so results may not apply to everyone. It compares teaching methods, not a new treatment.

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

90 people

The number who actually took part.

Started

Jan 2022

Finished

Feb 2025

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

11 to 17 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patient aged 11 to 17 \* years; * Patient with stable adolescent teeth, young adult or adult teeth; * Requiring a fixed orthodontic treatment without extraction (other than wisdom teeth) at least to the maxillary arch; * Affiliated, himself or through his parents to a social security scheme; * Having received information on the protocol and having given free, informed and written consent. * Whose holders of parental authority have received information on the protocol and have given free, informed and written consent. * Aged under 18 at the end of the 6 months of participation Exclusion Criteria: * Patient with periodontal disease or progressive carious lesions; * Patient with a prosthetic crown or composite restoration on the central and / or lateral maxillary incisor; * Patient with systemic disease, major syndrome or cleft palate; * Patient with an abnormal dental structure (eg fluorosis, MIH, imperfect amelogenesis, etc.); * Patients taking long-term medication influencing periodontal health (corticosteroids, anti-epileptics, etc.); * Patient with a physical or mental handicap preventing him from carrying out oral hygiene maneuvers independently; * Patient refusing to use the products and instruments prescribed for the study; * Patients with dental agenesis; * Patients with poor command of the French language * Patient deprived of liberty by judicial or administrative decision or subject to a legal protection measure; * Pregnant patient; * Smoking patient.

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As listed by the trial registrant

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

Orthodontic appliance

Contacts and locations

Locations

  • CHU de RENNES

    Rennes, France

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