Cavities Filled with Mercury - KCBD NewsChannel 11 Lubbock

4/18/06

Cavities Filled with Mercury

Every year, dentists fill 70-million cavities in the US. Kids don't like it for obvious reasons, and parents have been fearful of the exposure to Mercury in silver fillings. Exposure to too much Mercury can affect brain and kidney function. But today, a new study says parents can rest easy because those silver fillings are safe for kids according to a study in the newest issue of JAMA, the Journal of the American Medical Association.

"Dentists and parents, I think, can be very assured from the results of this study that they can continue to put silver amalgam in children's mouths to fill cavities," said Dr. Sonja McKinlay, of New England Research Institutes in a five year study involving more than 500 kids, half with silver fillings and half without. Dr. McKinlay and her colleagues found that those who had the mercury-based fillings did have higher levels of mercury in their urine, but it was still a low, safe level leaving no affect on I.Q. or brain function as well as kidney function in any way.

This study was funded by the National Institutes of Health and the National Institute of Dental and Craniofacial Research. For more information, visit www.jama.com.

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