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Tooth decay damages enamel more when the pH falls below which approximate value?

Answer and explanation

Correct answer: 5.5

Bacteria in the mouth can use sugars to produce acids. As the pH of the mouth falls below about 5.5, the mineral component of tooth enamel begins to dissolve more readily, increasing the risk of decay. Therefore, option A is correct. A pH of 7 is neutral, while 8.5 and 14 represent alkaline conditions and do not describe the critical acidic level for enamel damage.

Related tags

Tooth DecayEnamelPh ThresholdAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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