Pediatric Dentistry · single question
A 4-year-old child resides in a NON-FLUORIDATED area. What is the recommended fluoride SUPPLEMENT dose?
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Correct answer: A. 0.50 mg/day
0.50 mg/day (A) for a 4-year-old (ages 3-6 years) in a non-fluoridated area (water fluoride <0.3 ppm). Fluoride supplement schedule (ADA/AAPD):
Water fluoride <0.3 ppm:
• Age 6 months – 3 years: 0.25 mg/day
• Age 3 – 6 years: 0.50 mg/day ← 4-year-old
• Age 6 – 16 years: 1.0 mg/day
Water fluoride 0.3–0.6 ppm:
• 6 months – 3 years: none
• 3–6 years: 0.25 mg/day
• 6–16 years: 0.50 mg/day
• No supplements needed if water fluoride >0.6 ppm.
• Fluoride supplements are prescription-only, typically as drops or tablets.
Water fluoride <0.3 ppm:
• Age 6 months – 3 years: 0.25 mg/day
• Age 3 – 6 years: 0.50 mg/day ← 4-year-old
• Age 6 – 16 years: 1.0 mg/day
Water fluoride 0.3–0.6 ppm:
• 6 months – 3 years: none
• 3–6 years: 0.25 mg/day
• 6–16 years: 0.50 mg/day
• No supplements needed if water fluoride >0.6 ppm.
• Fluoride supplements are prescription-only, typically as drops or tablets.
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