The white enamel of our teeth is composed of:

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(A) The white enamel of our teeth is primarily composed of hydroxyapatite,which is a crystalline form of calcium phosphate,$Ca_3(PO_4)_2$. However,in

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$Ca_3(PO_4)_2$

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(A) The white enamel of our teeth is primarily composed of hydroxyapatite,which is a crystalline form of calcium phosphate,$Ca_3(PO_4)_2$. However,in the context of dental health and the role of fluoride,the enamel surface can be converted into the harder and more acid-resistant fluorapatite,$CaF_2$,when fluoride ions are present. Given the standard options provided in many textbooks,$Ca_3(PO_4)_2$ is the primary constituent of the enamel.

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