The “hack” to avoid is using lemon juice (or other acidic things) as DIY teeth-whitening products. It doesn’t work because it’s unable to penetrate the stain, and it can cause damage to tooth enamel.

Transforming an actor’s teeth for a TV or movie project, says Tony Gardner of animatronic and prosthetic makeup-effects studio Alterian, Inc., is like a magic trick. No matter how big the literal ...

My teeth have always been fine, but there's definitely room for improvement. A couple months before my September wedding, I took advantage of a free dental consultation. One of my bottom teeth is ...