Brushing alone won’t get every nook and cranny. Your teeth have five surfaces, and brushing cleans three of those, explains Whitney White, doctor of medicine in dentistry (DMD) at Aspen Dental ...

Even identical twins will not have exactly the same set of teeth. (Interestingly, the surface of our tongue is also one of a kind, with its own unique shape and texture.) 8. The first toothbrush ...