Advertisements for special toothpastes, powders and gums suggest that it’s possible. Here’s what dental experts say. By Katie Camero Most of us know that the best defense against tooth decay — or ...

Dental x-ray. Image by Tim Sandle. Dental x-ray. Image by Tim Sandle. Your next toothpaste might be made from your hair, and it could regrow your enamel, according to researchers based at King’s ...

We'd all love to have a flawless set of pearly whites. But whether it's a yellow stain, brown spots or chalky white patches, our teeth are rarely perfect. Instead of just being unsightly, these could ...