Can a water flosser beat brushing alone for healthier gums?

NCT ID NCT07725276

Completed Disease control Sponsor: Saint-Joseph University Source: ClinicalTrials.gov ↗

First seen Jul 24, 2026 · Last updated Jul 24, 2026

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.

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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

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Locations

Faculty of Dentistry

Beirut, Rue de Damas, 0000, Lebanon

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