New artificial saliva protects teeth from acid and reduces cavities, offering hope to patients with dry mouth.

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 ...

Advertisements for special toothpastes, powders and gums suggest that it’s possible. Here’s what dental experts say. By Katie Camero See more of our coverage in your search results.Encuentra más de ...