"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

In this photo taken Friday, Aug. 3, 2018, Philippe Hujoel, a dentist and University of Washington professor, holds a toothbrush and toothpaste as he poses for a photo in an office at the school in ...

We don’t always have the answers, but we have some people on speed dial who do — which is why we present our FYI series, where we have experts explain if lip balm is actually bad, how often you should ...

Who hasn’t dashed into the drugstore and been stymied by the overwhelming number of toothpaste options: mint, fruity, gel, whitening, sensitive—and, increasingly, fluoride-free? Even major companies ...

Natural “fluoride-free” products may not strengthen your teeth. Share on Pinterest When it comes to oral hygiene, regular brushing and flossing is only part of the process. A toothpaste that contains ...

JEFF DONN, AP National Writer – Dental health experts worry that more people are using toothpaste that skips the most important ingredient – fluoride – and leaves them at a greater risk of cavities.