Question

The part of tooth that is not covered by the 4 gum is called​

Answer 1

Answer:

Dentin. That part of the tooth that is beneath enamel and cementum. It contains microscopic tubules (small hollow tubes or canals). When dentin loses its protective covering (enamel), the tubules allow heat and cold or acidic or sticky foods to stimulate the nerves and cells inside the tooth, causing sensitivity.

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Answer 2

Answer:

hii

Explanation:

cavity is the ans

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