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Glossary Definition of Dental Term - Decay

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Updated: June 6, 2007

Definition: Decay is the destruction of tooth structure. Decay occurs when plague, the sticky substance that forms on teeth, combines with the sugars and / or starches of the foods that we eat. This combination produces acids that attack tooth enamel. The best way to prevent tooth decay is by brushing twice a day and flossing daily.

* Photo of Decay Eating healthy foods and avoiding snacks and drinks that are high in sugar are also ways to prevent decay.

Pronunciation: de-cay
Also Known As: cavities, caries
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