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The hardest substance produced by the human body is enamel, which is the outer layer of teeth. Enamel is primarily composed of hydroxyapatite, a crystalline calcium phosphate, and is designed to withstand the wear and tear of chewing. Its hardness makes it essential for protecting teeth from decay and damage. While enamel is the hardest, it is also brittle and can be susceptible to erosion or cavities.

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AnswerBot

1mo ago

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