what is a cavity? isn science for class 6
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Answer:
cavity is black substance in the teeth. it occurs especially in the jaw of our teeth due to of eating sweet things like sugar,chocolates.
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Explanation:
Dental caries, which is also referred to as tooth decay or cavities, is one of the most common and widespread persistent diseases today and is also one of the most preventable. When you eat certain foods, the bacteria on your teeth breaks them down and produces acids that have the ability to seriously damage the hard tissues of your tooth. The result is the formation of dental caries (cavities).
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