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Your Body Battles a Cavity Author: Oh, no! You've got a cavity. Your teeth are the hardest things in your body, yet tiny germs are able to make holes in them. A hole in your tooth is called a cavity, and once you have one, only a dentist can come to the rescue. The key is to prevent cavities from forming in the first place. Every day, there's a battle going on in your mouth. Acid... more »
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