Pokemon Smile is a new mobile app that uses AR to make toothbrushing more fun for children. It's free, and out now on Apple and Android. Pokemon Smile features over 100 cartoon-y Pokemon that have ...

The hypothesis, called the facial-feedback hypothesis, dates back to a 1988 study in which participants rated the humor of cartoons while inadvertently mimicking either a smile or a pout. The ...

From the dentist's chair to drug stores, products claim to brighten your smile to that Hollywood white, but the trend could go too far. Teeth whitening is a $14 billion dollar industry and is the most ...