Hardest part of human body; SSC entrance topic

Which is the hardest part of the body? If you think skull, then you are wrong. Actually the hardest part of the body is enamel. Enamel is formed of most highly mineralized substance. It is not bone, it is kind of tissue which contains minerals which makes it hard. Enamel consist of 96% of mineral including water and organic mineral.

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If a person is facing dental challege that is because of demineralization process of enamels. Demineraliztion initiaes when acid or bacteria react with fluids oif mouth causing ental problems. Its shape make it hard and stable; as it varies in thickness.

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