At what pH in the mouth is tooth decay faster and why
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when pH of mouth falls below 5.5 . the tooth enamel( calcium, phosphat) is decay by acids attack
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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.
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