What is the fluoride concentration of 5% sodium fluoride varnish?

  • Correct answer

    22,600 ppm

  • 12,300 ppm

  • 5,000 ppm

  • 1,450 ppm

This question is one of 15 in AFK practice: Orthodontics, pediatric and geriatric dentistry. Test yourself on all of them.

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Explanations

  • 5% NaF varnish contains 22,600 ppm fluoride. 12,300 ppm is the concentration of 1.23% acidulated phosphate fluoride gel.

    Source: McDonald and Avery's Dentistry for the Child and Adolescent — oneguy

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