Public Health · single question
A 4-year-old lives where the water has no fluoride. The optimal daily fluoride supplement is closest to:
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Correct answer: A. 0.50 mg/day
- A. Correct. Per the supplementation schedule, ages 3–6 with water <0.3 ppm F should receive ~0.50 mg/day.
- B. 1.0 mg/day is the dose for older children (6+ years) with negligible water fluoride.
- C. 0.25 mg/day is the dose for the youngest band (6 months–3 years).
- D. 0.75 mg/day is not a standard schedule value.