Our teeth say a lot about us - what with them being on display when we share a laugh among friends for example - and if your pearly whites possess a particular characteristic, then you may have a gene ...

Fluoride is a chemical commonly added to drinking water in many countries and has recently become a topic of debate in the US ...

It has 18,000 bristles and a U-shaped mouthpiece, and it does the brushing for you. Plus, I met up with the company's CEO to ...