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Brush then floss, or floss then brush? a trial puts the order to the test.

NCT ID NCT07737626

Disease control Sponsor: Lokman Hekim 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time

Summary

This trial asks whether the sequence of powered toothbrushing and dental flossing changes how much dental plaque is removed. Forty-six healthy adults will try both orders — brushing then flossing, and flossing then brushing — with a 15-day break in between. Plaque levels are measured before and after each routine to see if one order cleans better.

What this could mean

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

Active substance
powered toothbrushing and dental flossing
What this could lead to
If one sequence clearly removes more plaque, it could give people a simple, no-cost way to improve their daily oral hygiene.
What could go wrong
This is a small, short-term trial in healthy young adults, so results may not apply to everyone. The difference between sequences may be too small to matter in real life.

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

46 people

The number who actually took part.

Started

May 2026

Finished

Jul 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 30 years

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: * Age between 18 and 30 years * Systemically healthy * Presence of at least 22 natural teeth * No signs of active periodontal disease * Ability to comply with the study procedures and oral hygiene instructions * Provision of written informed consent Exclusion Criteria: * Antibiotic use within the previous 3 months * Smoking * Presence of systemic conditions known to affect periodontal health, including diabetes mellitus or immune-mediated disorders * Ongoing orthodontic treatment * Presence of fixed prostheses, crowns, or extensive restorations that could interfere with plaque assessment * Professional periodontal therapy within the previous 3 months * Pregnancy or lactation * Severe dental crowding

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Conditions

The condition(s) this trial relates to.

Dental Plaque

As listed by the trial registrant

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

Dental plaque

Contacts and locations

Locations

  • Lokman Hekim University Faculty of Dentistry

    Ankara, Turkey (Türkiye)

More trials for these conditions

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