How soon after a fluoride varnish application should a patient avoid brushing?
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Correct answer: For at least 4–6 hours
Patients should avoid brushing for several hours to allow the varnish to remain on the teeth. This prolongs fluoride contact.
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More Fluoride applications questions
- What is the main advantage of fluoride varnish compared with gel trays?
- Which fluoride treatment is contraindicated on patients with porcelain or composite restorations?
- What is the recommended professional fluoride application frequency for high-caries-risk patients?
- Which fluoride source provides continuous low-level exposure to a community?
- What is the mechanism by which fluoride prevents caries?
- Which patient group benefits most from prescription-strength 5,000 ppm fluoride toothpaste?