Which of the following statements is true of NaF varnish as a professionally applied topical agent?
A) The varnish requires prior oral prophylaxis.
B) The varnish stays on the enamel longer than topical fluoride.
C) The varnish can be applied if saliva is present.
D) Both a and b are true.
E) Both b and c are true.
Correct Answer:
Verified
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Q9: Fluoride is thought to work by:
A) interacting
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Q12: The dental hygienist should teach the patient
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