Charcoal toothbrush showdown: cleaner bristles or just hype?

NCT ID NCT07275684

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

Summary

This study compared charcoal-impregnated toothbrushes to regular ones to see if they reduce bacterial buildup. Thirty-two dental students brushed twice daily for 21 days, then their toothbrushes were tested for germs. The goal is to find out if charcoal bristles keep toothbrushes cleaner.

What this could mean

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

Active substance

Charcoal-impregnated toothbrush bristles

What this could lead to

If charcoal bristles reduce bacteria, it could lead to toothbrushes that stay cleaner between uses, possibly improving oral hygiene.

What could go wrong

This is a small, early study with only 32 healthy students. Results may not apply to the general population, and any benefit may be minor.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

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

More trials for these conditions

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

Contacts and locations

Locations

  • Faculty of Dental Medicine of Rabat, Mohammed V University

    Rabat, Al Irfane, 6212, Morocco