It's all fun and games until you break your new teeth on some Fruit Roll-Ups. These celebs spent big bucks on some fancy pearly whites, but not every one of them wound up with a million dollar smile.

Ever wondered why our teeth are so sensitive to pain or even just cold drinks? It might be because they first evolved for a ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ...