Two-in-three (66%) people who tested positive for coronavirus and who share a toothbrush container with family members passed the virus on to them, a new study has found.
Researchers investigated whether misuse of dental hygiene, in terms of certain dental habits, could facilitate the spread of COVID-19 among cohabiting individuals.
It found that sharing a toothbrush, toothpaste, the same container for the brush and not changing the brush after the viral process, are all possible routes of cross-contamination of coronavirus.
The study discovered that tongue cleaning was the most effective oral hygiene habit in reducing the spread of the virus.
It monitored hundreds of families over the course of 15 days and found over half (55%) of COVID-positive people who share a toothbrush passed the virus onto other family members in the household.
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