News — Teeth

Dentists suggests you should clean your toothbrush after every use – so for most people, that’s twice a day. But are you doing it right? Toothbrushes need to be cleaned as they harbour bacteria, other micro-organisms, saliva and other bodily contamination, says Professor Damien Walmsley, the British Dental Association’s scientific adviser. And there’s a lot of the stuff. A study by the University of Manchester found there are more than 10 million bacteria on each toothbrush.  Thankfully there is no evidence that a toothbrush will cause health problems (although experts agree more research needed in this area) – but it’s still...