Thursday, March 6th, 2014
A number of dental groups and individuals have filed a lawsuit in D.C. District Federal Court alleging that the Food and Drug Administration (FDA) has not adequately addressed concerns over the use of “amalgam,” a material that contains mercury, in dental fillings. Among other claims, the suit alleges that such filings are particularly dangerous to children and should be restricted for use in kids and other vulnerable populations.
Attorney James M. Love, who filed the lawsuit, said in a statement that American consumers and dental professionals are being misled by the American Dental Association (ADA) — the largest and most powerful advocate for continued amalgam use.
“The ADA has misrepresented FDA’s lack of regulation as proof of safety, and continues to use this toxic dental filling, despite scientifically demonstrated risks,” said Love. “Most individuals remain unaware that those ‘silver’ fillings, prevalently used as a dental restoration and covered by insurance policies, consist of 45-55% metallic mercury, and that there are health and environmental risks associated with those fillings.”
Scientific studies cited by the plaintiffs claim that mercury is a persistent toxic chemical that can build up in the body, particularly in the kidneys and the nervous system. Young children, they say, are more sensitive to mercury and can be exposed to mercury through breast milk. Unborn fetuses can be exposed to mercury from placental transfer of mercury from a pregnant woman’s teeth if she has fillings containing amalgam.
“We have banned mercury in disinfectants, thermometers, and many other consumer products,” said Griffin Cole, DDS, President of the IAOMT. “There is no magic formula that makes mercury safe when it’s put into our mouths. It’s inexcusable to use mercury in dental fillings when there are much safer alternatives.”
A previous 2007 lawsuit, Moms Against Mercury v. Eschenbach, alleged that more than thirty years ago the FDA was legally obligated to classify dental amalgam, but did not do so. In direct response to this lawsuit, the FDA agreed to classify dental amalgam. However, FDA classified the device in Class II, assigning no controls or other measures intended to protect the public. The new lawsuit is claiming the FDA has not responded appropriately to petitions requesting amalgam be classified as Class III, which would require higher safety standards, environmental impact studies, and restricted use in vulnerable populations, including children.
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Image: Child at the dentist, via Shutterstock
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Thursday, October 11th, 2012
The levels of mercury in a pregnant woman’s bloodstream has been linked to a higher risk of her child being diagnosed with attention deficit hyperactivity disorder (ADHD) by a new study conducted by researchers at Boston’s Brigham and Women’s Hospital and the Harvard School of Public Health. The Boston Globe reports that children whose mothers tested high for mercury were 40-70 percent more likely to exhibit ADHD symptoms by age eight:
On the flip side, those children whose mothers consumed the most fish while pregnant were the least likely to exhibit fidgety, distracted, and impulsive behaviors in class, according to the study of 604 children published Monday in the Archives of Pediatrics and Adolescent Medicine.
At first blush, this finding appears contradictory because most of the mercury we consume comes from fish. “It seems a little paradoxical,” said study co-author Dr. Susan Korrick, an assistant professor of medicine at Brigham and Women’s. “But fish consumption doesn’t necessarily correlate with mercury levels since you could eat a high amount of fish that are low in mercury.”
Fatty kinds of fish such as salmon, tuna, and sardines have higher levels of omega-3 fatty acids, which are thought to be crucial for cognitive function. All types of fish have a host of nutrients such as vitamin D, B-12, and iodine, which could play a role in brain development as well.
While government agencies have advised pregnant women to limit their fish intake to no more than two six-ounce servings a week, Korrick said they might want to aim for three or four servings of low-mercury fish such as salmon, canned light tuna, haddock, cod, and shrimp. (Albacore tuna has more mercury, so consumption should be limited to six ounces a week.)
The key is for pregnant women to avoid fish known to have high mercury levels, including swordfish, shark, tilefish, and king mackerel, Korrick added.
Image: Salmon, via Shutterstock
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Tuesday, November 8th, 2011
The Sierra Club has launched an ad campaign in the Washington, DC subway system designed to educate the public about the dangers of mercury pollution for pregnant women. The ads focus on mercury pollution that is released from coal-fired power plants, and alleges that toxic levels of mercury are left unrestrained by the federal government.
“At least 1 in 12, and as many as 1 in 6, American women have enough mercury in their bodies to put a baby at risk. That means that each year more than 300,000 babies are born at risk of mercury poisoning,” the Sierra Club’s website reports. Babies and children with high levels of mercury can develop developmental problems, learning disabilities, and delayed onset of walking and talking.
The ad reads:
Mercury pollution from our nation’s coal-burning power plants is harming pregnant women and their unborn children. Mercury is a powerful neurotoxin that can damage the brain and nervous system – causing developmental problems and learning disabilities. Text COAL to 69866 to take action for cleaner air and water and to let the Obama Administration know we are counting on them to protect our environment, our children, from toxic mercury pollution. beyondcoal.org
(image via: http://sierraclub.typepad.com)
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