Question

What is cavity ? how it is formed

Answer 1

the formation of small cavities or holes in the teeth due to the action of acid forming bacteria and improper Dental Care is called dental caries.

if the teeth are not cleaned regularly they become covered with a sticky yellowish layer of food particles and bacterial cells called dental plague.

Answer 2

heya,
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When we donot brush our teeth. Many harmful bacteria grow. The bacteria releases many harmful acids. These acids corrode our teeth. Sometimes a tiny hole appears, called cavity.
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I hope this answer helps you.....

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