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calcium


(KAL-see-um)

A chemical found in teeth and bones. Eating foods with calcium helps your teeth stay strong. Milk has lots of calcium in it.

  calcium

saliva


(suh-LY-vuh)

The clear liquid in your mouth. It keeps your mouth wet and helps you swallow food. It also washes your mouth as you eat.

saliva

cavities


(KAV-uh-teez)

Rotten spots or holes in teeth.

cavities
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