📝 Multiple Choice Question
General-science
Which of the following demineralises the enamel of the teeth?
A
Acids produced by bacteria
B
Saliva
C
Toothpaste
D
Soft toothbrush
Explanation
Dental plaque contains bacteria that metabolize dietary sugars into lactic acid. This localized acidic environment drops the pH and leads to the demineralization of the calcium phosphate crystals that make up tooth enamel.
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