Question 52 (part 2) · LDEK · Fluoride
High fluoride concentration in contact with enamel lasts for:
- A. 10 to 15 minutes after the use of varnish or fluoride gel.
- B. 24 hours after application of gel or fluoride foam.
- C. 1 to 7 days after the use of fluoride varnish.
- D. 1 to 7 days after the use of fluoride gel.
- E. 1 to 7 days after the use of varnish or fluoride gel.
Hint
Compare a product that sets and sticks to the enamel with one that touches the teeth only during a few minutes of application.
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