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Can Brushing Your Teeth Prevent the Spread of COVID-19? Not Exactly

October 22, 2020
by CTV News


A U.K. dental expert has suggested that frequent tooth brushing could be used as a preventative measure against COVID-19 in a similar vein to hand washing, a claim Canadian experts say is unfounded but may have some truth.

Speaking to The Telegraph, Martin Addy, a dentistry professor at the University of Bristol, claimed that the antimicrobial action of toothpaste in the mouth may reduce the viral load of COVID-19 in saliva, even suggesting that it may prevent infection by viruses entering the mouth.

Addy likens the effect to that of washing your hands with soap or hand sanitizer.

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