You are probably brushing your teeth all wrong

Dental experts have condemned "unacceptably inconsistent" advice from national dental associations, manufacturers and dentists themselves over the simple matter of how best to brush teeth.

Researchers from University College London identified no fewer than six basic methods of brushing across 10 countries, and a bewildering variety of advice on the most important aspects of dental hygiene: how often to brush, how long to brush for, technique, and the vexed question of whether to rinse or not to rinse.

Here's the best way to do it: