name the hardest protective covering of tooth and why
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Enamel is the outer most layer of the tooth that protects teeth from the elements that cause cavities. It is the hardest surface in the human body and the first line of defense against cavities. ... Think of enamel as a barrier that shields your teeth from harm.
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Enamel is the thin covering of tooth . This tough shell of hardest tissue in the human body. Enamel covers the crown which is the part of the rooth that visible outside of the gums.
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