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NBC News

Benefits of adding fluoride to water may be waning

NBC News
Summary
Nutrition label

89% Informative

Hundreds of U.S. communities, from Amery , Wisconsin , to Union County , North Carolina , are opting out of water fluoridation.

Studies show fluoride-fortified toothpaste reduced the number of decayed teeth by an average of 2.1 per child.

But studies conducted after 1975 estimated the benefit was lower, at 0.24 fewer decayed baby teeth per child..