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 Oral Health
(Fluoride
Varnish)

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Fluoride Supplements

Fluoride content of drinking water (well or public supply) in parts per millions (ppm) DAILY DOSAGE 6 months - 3 yrs DAILY DOSAGE Age 3 - 6 years DAILY DOSAGE Age 6 - 16 years
Recommended Fluoride Dosage (mg/day)  
Less than 0.3 ppm 0.25 mg 0.50 mg 1.00 mg
0.3 to 0.6 ppm 0 0.25 mg 0.50 mg
Over 0.6 ppm No Dietary Fluoride Supplement Needed

The optimum dietary fluoride level is 1 mg per day. Fluoride consumption greater than 2 mg per day by children during their tooth development years can cause dental fluorosis, resulting in mottled, discolored or pitted permanent teeth. The period from birth to five years is the time when developing teeth are most susceptible to developing fluorosis.

In the past, fluoride supplements were thought to exert their main anti-cavity effect through incorporation into developing tooth structure before eruption. However, compelling evidence exists that fluoride supplements have a great anti-cavity effect on the teeth after they erupt. This results from the topical benefits of the fluoride when it is initially consumed and subsequently from its presence in the saliva and gingival fluids that continually bathe the teeth.

Page Last Modified: Fri Apr 20 2012