Charcoal-based toothpastes, which claim to whiten teeth, are a "marketing gimmick" which could increase the risk of tooth decay and staining, says a review in the British Dental Journal.
The charcoal products, which are increasingly popular, often contain no fluoride to help protect the teeth...
bbc articles
british dental journal
charcoaltoothpaste
dr joseph greenwall-cohen
health & living
tooth decay and staining
toothpaste
university of manchester dental school
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