Remineralization is a natural tooth repair process. Your body takes calcium and phosphate minerals from your saliva and deposits them in your enamel. Enamel is the protective outer layer of your teeth ...

A team of researchers including those from Biotechnology Center of the TU Dresden (BIOTEC), have found that stem cells could be used for several forms of tissue engineering including tooth repair.

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.