Safety of Water Fluoridation

• Extensive epidemiological research conducted in the United States during the 1930s and 1940s (Dean, 1942) established, with a high degree of certainty

• Chronic fluoride intake of less than 0.10 mg/kg/day by children at risk of enamel fluorosis (under 8 years of age) associated with a low prevalence (approximately 10%) of the milder forms of the condition

• Institute of Medicine 1999