AI for Children

1 through 3 years

0.7 mg/day

AI Summary: Ages 4 through 8 Years

Based on an AI for fluoride from all sources of 0.05 mg/kg/day and a reference weight for children 4 through 8 years of age of 22 kg (Table 1-3), the AI is 1.1 mg/day.

AI for Children

4 through 8 years

1 mg/day

AI Summary: Ages 9 through 13 Years

Based on an AI for fluoride from all sources of 0.05 mg/kg/day and a reference weight for both boys and girls ages 9 through 13 years of 40 kg (Table 1-3), the AI is 2.0 mg/day.

AI for Boys

9 through 13 years

2 mg/day

AI for Girls

9 through 13 years

2 mg/day

AI Summary: Ages 14 through 18 Years

Based on an AI for fluoride from all sources of 0.05 mg/kg/day and a reference weight for boys ages 14 through 18 years of 64 kg (Table 1-3), the AI is 3.2 mg/day for boys. Based on a reference weight for girls ages 14 through 18 years of 57 kg, the AI is 2.9 mg/day for girls.

AI for Boys

14 through 18 years

3 mg/day

AI for Girls

14 through 18 years

3 mg/day

AI Summary: Ages 19 Years and Over

Based on an AI for fluoride from all sources of 0.05 mg/kg/day and a reference weight for males ages 19 and over of 76 kg (Table 1-3), the AI is 3.8 mg/day. Based on a reference weight for females ages 19 and above of 61 kg, the AI for females is 3.1 mg/day.

AI for Males

19 years and over

4 mg/day

AI for Females

19 years and over

3 mg/day

Pregnancy

It is known that fluoride crosses the placenta, enters the fetal circulation (Brambilla et al., 1994; Shen and Taves, 1974), and is incorporat-



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