Celebrities and civilians alike are “fixing” their natural teeth. Now everybody has the same smile … and it’s kind of creepy.

Saber teeth took this tradeoff to the extreme, Rayfield and her colleagues report in Current Biology, becoming about as good as they could be at puncturing prey, ultimately sacrificing durability.

Many products claim to lighten and brighten your teeth. Here’s what the experts say about them. By Hannah Seo From toothpastes to gels, strips, mouth trays and rinses, there is a dizzying array ...

The secret to healthy teeth and gums isn’t much of a secret: Brush twice a day, floss once a day and visit a dentist regularly for cleanings. “It’s not sexy or surprising, ...