Question

can anyone tell the 2ndQ

Answer 1

Answer:

bacteria in the mouth create acids after eating through the oxidation of sugar and food particles in the mouth. Tooth decay starts when the mouth’s pH is below 5.5.

Explanation:

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Answer 2

Answer:

When the pH in the mouth falls below 5.5, tooth decay starts. Bacteria present in the mouth produce acid by degradation of sugar and food particles which remain in the mouth after eating. The acid produced in the mouth attack the enamel thereby, creating tooth decay.

Explanation:

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