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Test Your Knowledge on Fluoride Varnish

Fluoride counteracts dental caries by enhancing the uptake of minerals, incorporating into the crystal structure of enamel to increase resistance to acid attack, and disrupting cariogenic bacterial activity. High-concentration delivery methods, such as fluoride varnish, result in the formation of a calcium fluoride layer near the enamel surface, which can successfully prevent decay. How does your knowledge stack up on the effectiveness of fluoride varnish in caries prevention?

Formal United States Food and Drug Administration approval for fluoride varnish is for the management of dental caries.

Olivier Le Moal / iStock / Getty Images Plus

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