Safety of Water Fluoridation

• Erickson (1978)

• Residents of 24 cities with fluoridation and 22 cities without

• Death rates were similar

• after adjustment for differences in age, sex, race, education and population density

• 1,123.9 per 100,000 person-years (fluoridated)

• 1,137.1 per 100,000 person-years (non-fluoridated)