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Why is toothpaste generally made mildly basic for tooth protection?

Answer and explanation

Correct answer: To neutralise acid formed in the mouth

Bacteria in dental plaque can break down food sugars and produce acids. The governing concept is acid-base neutralisation: these acids can attack and demineralise tooth enamel, whereas a mildly basic toothpaste helps neutralise some of the acid and supports oral protection. Hence option A is correct. Toothpaste is not intended to dissolve enamel, force the pH to 1, or make food more acidic.

Related tags

ToothpasteTooth-DecayNeutralisationPhAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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