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Health officials change stance on fluoride

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Posted: Monday, January 10, 2011 2:11 pm | Updated: 1:47 pm, Wed Dec 26, 2012.

ATLANTA — In a remarkable turnabout, federal health officials say many Americans are getting too much fluoride because of its presence not just in drinking water but in toothpaste, mouthwash and other products, and it’s causing splotches on children’s teeth and perhaps more serious problems.

The U.S. Department of Health and Human Services announced plans Friday to lower the recommended level of fluoride in drinking water for the first time in nearly 50 years, based on a fresh review of the science. The announcement is likely to renew the battle over fluoridation, even though the addition of fluoride to drinking water is considered one of the greatest public health successes of the 20th century. The U.S. prevalence of decay in at least one tooth among teens has declined from about 90 percent to 60 percent.

The government first began urging municipal water systems to add fluoride in the early 1950s. Since then, it has been put in toothpaste and mouthwash. It also is in a lot of bottled water and in soda. Some kids take fluoride supplements. Now, young children may be getting too much.

“Like anything else, you can have too much of a good thing,” said Dr. Howard Pollick, a professor at the University of California, San Francisco’s dental school and spokesman for the American Dental Association.

One reason behind the change: About 2 out of 5 adolescents have tooth streaking or spottiness because of too much fluoride, a government study found recently. In extreme cases, teeth can be pitted by the mineral — though many cases are so mild only dentists notice it. The problem is generally considered cosmetic and not a reason for serious concern.

The splotchy tooth condition, fluorosis, is unexpectedly common in youngsters ages 12 through 15 and appears to have grown more common since the 1980s, according to the Centers for Disease Control and Prevention.

But there are also growing worries about more serious dangers from fluoride.

Critics of fluoridated water seized on the proposed change Friday to renew their attacks on it — a battle that dates back to at least the Cold War 1950s, when it was denounced by some as a step toward Communism.

© 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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