The results of two independent studies published in the Journal of the American Medical Association add to peer-reviewed scientific literature that supports the safety of dental amalgam in treating dental decay. The published studies measure whether children with dental amalgam fillings experienced any adverse effects related to neurobehavioral, neuropsychological (IQ) and kidney function.

The studies support the existing scientific understanding that the minute amount of mercury released by amalgams during such common activities as eating and drinking does not affect health adversely. Both studies support the continued use of dental amalgam as an important treatment option.

The researchers found that there was no difference in neurological performance and kidney function in children who have amalgam fillings compared to a control group with composite (white) fillings.
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