TIME carries an article originally published on Health.com that stated University of Georgia research suggests “dental fillings made of amalgam—a mixture of mercury, silver, and other metals—can contribute to elevated mercury levels in the body.” The study found “people with more than eight fillings had blood mercury levels more than twice as high as people with no fillings,” although the article noted the average mercury levels for these individuals were still “below the safety thresholds established by the EPA and the World Health Organization.”
The ADA examined the study’s findings, noting that although the study found a “statistically significant difference in circulating levels of mercury, all the levels observed were within the lower 95% confidence limit set forth as safe by the National Research Council of the National Academy of Sciences.” In addition, the findings “also pointed to the impact of fish consumption in blood total and methyl mercury levels.”
The ADA released a statement reaffirming its position that “dental amalgam is a durable, safe and effective cavity-filling option” and providing information for patients about restorative materials at MouthHealthy.org.
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