Fluoride applications · CDA

What is the mechanism by which fluoride prevents caries?

  1. It kills all oral bacteria
  2. It blocks saliva flow
  3. It enhances remineralisation and inhibits demineralisation
  4. It seals pits and fissures directly
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Correct answer: It enhances remineralisation and inhibits demineralisation

Fluoride strengthens enamel crystals and slows down demineralisation. It also supports rebuilding early white-spot lesions.

Difficulty: Medium Question 11 of 20

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