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Everyday Science Medium FPSC Uploaded: 01 Sep 2026

Which of the following is the main cause of tooth decay prevention through fluoride?

  • A Strengthens enamel
  • B Kills bacteria directly
  • C Whitens teeth
  • D Reduces saliva production
Correct Answer: Option A — Strengthens enamel
Explanation:
Fluoride strengthens tooth enamel and makes it more resistant to acid attacks from bacteria, helping prevent tooth decay.
Submitted by: PaperMCQs
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