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Tooth decay: Causes, Symptoms and Prevention


Tooth decay camera.gif is damage that occurs when germs (bacteria) in your mouth make acids that eat away at a tooth. It can lead to a hole in the tooth, called a cavity. If not treated, tooth decay can cause pain, infection, and tooth loss.


A tooth has three layers:

  • The hard outer layer is called enamel
  • The middle layer is called dentin
  • The center of the tooth is called the pulp. It contains nerves and blood vessels

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