We all know that we should brush our teeth in the morning and evening, that flossing is essential and that we should replace our toothbrushes every few months or when they become frayed.
However, according to one dentist, a frayed toothbrush isn’t the only sign that you need to replace your toothbrush and, in fact, a frayed toothbrush could be a sign of a bigger problem.
HuffPost UK spoke exclusively with Dr Sam Jethwa, a leading cosmetic dentist and the founder of Bespoke Smile to...