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.

Tooth decay causes the destruction of enamel, which is the hard outer surface of a tooth. As tooth decay progresses, it can attack deeper layers of a tooth, leading to cavities. Treatments can include ...

A “dead tooth” refers to a tooth when there is no longer any blood flow to it. Sometimes this is also known as a “non-vital tooth.” Both tooth decay and an injury can cause a dead tooth. In this ...

Teeth are made up of a combination of hard and soft tissue. You may not think of teeth as living, but healthy teeth are alive. When the nerves in the pulp of the tooth, which is the inner layer, ...

Tooth sensitivity caused by heat or cold typically occurs when a tooth’s outer protective layer, the enamel, has worn down. Receding gums that expose a tooth’s root may also be a cause. Share on ...