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Can a water flosser beat brushing alone for healthier gums?

NCT ID NCT07725276

Disease control Sponsor: Saint-Joseph University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 24, 2026 · Last updated Jul 29, 2026 · Updated 2 times

Summary

This trial tests whether adding an interdental brush, water flosser, or rubber toothpick to twice-daily toothbrushing reduces plaque and gum bleeding more than brushing alone. Twenty-nine dental students with gingivitis will use each method in different sections of their mouth for 28 days. Researchers will measure plaque, bleeding, and any gum damage to see which combination works best.

What this could mean

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

Active substance
interproximal cleaning aids (interdental brush, water flosser, rubber toothpick) used alongside toothbrushing
What this could lead to
If it works, this could point toward a more effective daily oral hygiene routine for people with gingivitis.
What could go wrong
This is a small, short-term trial in dental students, so results may not apply to the general population. The aids could also cause minor gum irritation.

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

29 people

The number who actually took part.

Started

Oct 2025

Finished

Apr 2026

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

20 to 23 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: * 4th \& 5th year dental students enrolled at Saint Joseph University of Beirut. * Participants clinically diagnosed with gingivitis exhibiting fully intact interdental papillae. * Participants who had undergone a dental cleaning session 6 weeks before inclusion in the study. * Written informed consent provided and signed before participation. Exclusion Criteria: * Participants with fixed or removable orthodontic appliances, crowns, dental implants, or dentures. * Participants diagnosed with periodontitis. * Participants with reduced or absent interdental papillae. * Individuals with poor oral hygiene practices, including irregular or inadequate toothbrushing. * Participants currently taking medications known to induce gingival hyperplasia or hypertrophy. * Presence of diastemas or open contacts between adjacent teeth in the areas to be assessed. * Individuals with systemic diseases or medical conditions that may affect gingival or periodontal health.

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Conditions

The condition(s) this trial relates to.

Dental Plaque Gingival Hemorrhage gingivitis periodontal disorder

As listed by the trial registrant

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

Dental plaque Gingivitis Periodontal disease

Contacts and locations

Locations

  • Faculty of Dentistry

    Beirut, Rue de Damas, 0000, Lebanon

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