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Why is toothpaste generally made mildly basic?

Answer and explanation

Correct answer: To neutralise acid formed in the mouth

Bacteria can ferment food sugars in the mouth and produce acids, which lower pH and contribute to enamel demineralisation. Mildly basic substances in toothpaste help neutralise some of this acid and support oral protection. Thus option A is correct. Toothpaste is not intended to transform teeth, remove all saliva, or produce carbon dioxide; those statements do not describe its relevant chemical action.

Related tags

ToothpasteNeutralisationOral HealthAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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