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How does basic toothpaste protect teeth?

Answer and explanation

Correct answer: By neutralising acid formed in the mouth

After food is eaten, oral bacteria can produce acids from fermentable sugars. These acids lower the pH and may attack tooth enamel, increasing the risk of decay. A basic toothpaste supplies alkaline substances that neutralise some of the excess acid and help move the mouth toward a safer pH. It does not dissolve enamel or make pH zero. Therefore option A is correct.

Related tags

ToothpasteNeutralisationTooth-DecayBasesAcidsAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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