Charcoal toothbrush showdown: cleaner bristles or just hype?
Knowledge-focused
Completed
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…
Phase: NA • Sponsor: Mohammed V University in Rabat • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC