Is adjusted water fluoridation considered more harmful than naturally occurring fluoridation? No.
No chemical difference exists in the fluoride provided by either natural or adjusted means; hence, dental benefits are identical and no harm exists from adjusted water fluoridation. Over 100 long-term fluoridation studies comparing natural or adjusted water supplies with those of fluoride-deficient communities consistently demonstrate great similarities of dental benefits between natural and adjusted fluoridation (U.S. Department of Health, Education and Welfare, 1979).
U.S. Department of Health, Education, and Welfare. 1979. Evaluatory surveys of long-term fluoridation show improved dental health. Public Health Service, Centers for Disease Control, Atlanta, GA.-, March; FL- 109.
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