Charcoal toothbrush bacteria showdown: which brush is cleaner?
NCT ID NCT07365748
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compared bacteria on charcoal-infused toothbrushes versus standard nylon ones. 36 healthy adults and children used each brush for one day and one week, then returned them for lab testing. Researchers counted the bacteria to see if charcoal bristles stay cleaner. The goal was to find out if eco-friendly charcoal toothbrushes are a more sanitary option for daily oral care.
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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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Locations
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Dental clinic
Cairo, 11585, Egypt