Question 90 · LDEK · Fluoride

Indicate the true statements concerning fluoride supplements:

1) using a fluoridated gel for 5 minutes every day is considered to be an effective method of the prevention of caries after radiotherapy;
2) acidified fluoride supplements should not be used in patients with glass-ionomer fillings;
3) 1.5% solution of ammonium fluoride gives 29000 ppm F;
4) 2nd generation of varnishes may contain amorphous calcium phosphate, chlorhexidine or arginine;
5) 2nd generation of varnishes contain only amorphous calcium phosphate.
The correct answer is:
  1. A. 1,3,5.
  2. B. 1,3,4.
  3. C. 2,3,4.
  4. D. 1,2,3,4.
  5. E. 1,2,3,5.
Hint

Statement 3 appears in every option, so decide on the remaining statements about radiotherapy, acidulated fluorides and varnish composition.

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