Our dentists have drilled it into our heads: you must brush and floss daily. But it turns out there's little evidence that flossing does much good.
The Associated Press looked into dozens of studies and found only the weakest of links between oral health and flossing.
Professor Damien Walmsley is a dentist and a scientific advisor to the British Dental Association. Walmsley says he doesn't floss routinely — only when he gets food stuck in his teeth.
"I don't floss because I brush my teeth twice a day — quite systematically, quite thoroughly — for two minutes in the morning and two minutes at night. By brushing, I know that my gums are really good," Walmsley tells As it Happens guest host Rosemary Barton.
Read more HERE