Question

what does tooth decay start when the pH less than 5​

Answer 1

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Answer____✌️

Tooth decay starts after pH becomes less than 5 because the formation of acid increases below the safety level. As, the concentration of acid increases in the teeth resulting tooth decay.

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Answer 2

Answer:

Tooth decay begins when the enamel begins to break down, creating pockets of decay on the surface of the teeth. Decay results from acidic damage to the tooth structure produced by bacteria that lives in plaque, the sticky film formed by the protein found in one's saliva metabolizing sugary foods left in the mouth.