Question

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HOW DO TOOTHPASTE PREVENT TOOTH DECAY?????
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Answer 1

Answer:

Not only does it make teeth stronger and prevent cavities, it can also help reverse early tooth decay. When tooth enamel is weakened by acid, fluoride promotes a chemical reaction that replaces minerals, such as calcium and phosphate, to strengthen the enamel. This also makes it more resistant to future acid attacks.

Explanation:

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Answer 2

Answer:

It reduces the solubility of enamel in acid by converting hydroxyapatite into less soluble fluorapatite;

it may exert an influence directly on dental plaque, reducing the ability of plaque organisms to produce acid;

it promotes the remineralization of tooth enamel in areas that have been decalcified by acids.

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