New mouthwash ingredient takes on dental germs in tiny trial

NCT ID NCT03384537

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early study compares a mouthwash containing tropolone to the standard chlorhexidine 0.2% mouthwash for reducing bacteria that cause cavities. Thirty healthy adults aged 18–45 will stop their usual oral hygiene for a few days, then use one of the mouthwashes. Researchers will measure bacterial counts to see if tropolone works as well as chlorhexidine.

What this could mean

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

Active substance
tropolone-containing mouthwash
What this could lead to
If it works, this could point toward a gentler alternative to chlorhexidine for controlling dental bacteria.
What could go wrong
This is a very small early-phase study with only 30 people, so results may not apply widely. It also does not test long-term safety or effectiveness.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for DENTAL DISEASES are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Stomatognathic Diseases dental caries prevention target

As listed by the trial registrant

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

Contacts and locations

Locations

  • Cairo University

    RECRUITING

    Cairo, Egypt

More trials for these conditions

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