Restorative & Materials · single question
Topical fluoride helps prevent caries primarily by:
Show answer and explanation
Correct answer: A. Forming fluorapatite and lowering enamel solubility (promoting remineralization)
- A. Correct. Fluoride incorporates into enamel as fluorapatite, decreasing acid solubility, enhancing remineralization, and mildly inhibiting bacterial enzymes.
- B. Fluoride at topical doses does not sterilize the mouth.
- C. It does not act by stimulating saliva.
- D. Mechanical sealing of pits/fissures is the role of sealants, not fluoride.
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