FDA: Dental amalgams may cause brain, kidney damage

2008-06-05 07:20:37 GMT       2008-06-05 15:20:37 (Beijing Time)       Xinhua English

Dental amalgams that contain mercury may cause health problems in pregnant women, children and fetuses, U.S. media reported on Thursday.

"Dental amalgams (silver-colored metal dental fillings) contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," the Food and Drug Administration (FDA) said on its website.

"Pregnant women and persons who may have a health condition that makes them more sensitive to mercury exposure, including individuals with existing high levels of mercury bioburden, should not avoid seeking dental care, but should discuss options with their health practitioner," the agency said.

The FDA said it did not recommend that people who currently have mercury fillings get them removed.

Millions of Americans have the fillings, or amalgams, to patch cavities in their teeth.

Mercury has been linked to brain and kidney damage at certain levels. Amalgams contain half mercury and half a combination of other metals.


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