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(a) Which part of the tooth is the harde...

(a) Which part of the tooth is the hardest substance in the body? It is rich in which mineral?
(b) A tooth is man is composed of which material? What is enclosed in it?

Text Solution

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(a) Enamel is the hardest substance in the body. It is rich in calcium.
(b) In man, tooth is composed of hard, bone-like substance called dentine. It enclose the pulp cavity.
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