Every tooth has a hard, outer layer called enamel. Enamel is the hardest material in the whole body. It protects the tooth’s blood vessels and nerve tissues. Cavities are the leading cause of ...

Is a crack in your tooth causing pain? Well, it is common to break, chip or knock out a tooth after eating something hard, or after a blow to the face. A broken tooth may occur due to several reasons: ...

You're crunching ice or a piece of hard candy when you notice something hard in your mouth that doesn't melt or dissolve. You get a sick feeling as you realize what it is -- a piece of broken tooth.