Originally published December 2 2008
FDA Reluctantly Admits Mercury Fillings Have Neurotoxic Effects on Children
by David Gutierrez, staff writer
(NaturalNews) For the first time, the FDA has issued a warning that the mercury contained in silver dental fillings may pose neurological risks to children and pregnant women.
"Dental amalgams contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," reads a statement that has been added to the agency's Web site. "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 warning was one of the conditions that the FDA agreed to in settling a lawsuit filed by several consumer health groups.
"Gone, gone, gone are all of FDA's claims that no science exists that amalgam is unsafe," said Charles Brown, a lawyer for Consumers for Dental Choice, one of the plaintiffs.
"It's a watershed moment," said Michael Bender of the Mercury Policy Project, another plaintiff.
Mercury is a well-known neurotoxin that can cause cognitive and developmental problems, especially in fetuses and children. It can also cause brain and kidney damage in adults.
So-called dental amalgams, or fillings made with a mix of mercury and other metals, have been used since the 1800s. Although it is known that small amounts of mercury are vaporized (and can be inhaled) when the fillings are used to chew food, and though Canada, France and Sweden have all placed restrictions on the use of mercury fillings, the FDA has always insisted that amalgams are safe.
Dental amalgams are considered medical devices, regulated by the FDA.
Even the FDA's new warning stops short of admitting that dental amalgams are dangerous for the general population. Instead, it focuses on the same population that has already been warned to limit mercury exposure by consuming less seafood: children and pregnant women. The FDA says it does not recommend that those who already have mercury fillings get them removed.
Millions of people have received amalgam fillings, although their popularity has dropped off in recent years. Currently, only 30 percent of dental fillings contain mercury - the rest are tooth-colored resin composites made from glass, cement and porcelain. These alternative fillings are more expensive and less durable than amalgam, however.
In 2002, the FDA began a regulatory review of amalgam that was expected to be complete within a few years. In 2006, with the review still incomplete, an independent FDA advisory panel of doctors and dentists rejected the agency's position that there is no reason for concern about the use of amalgam. While the panel agreed that the majority of people receiving such fillings would not be harmed, panel members expressed concern for the health of certain sensitive populations, including children under the age of six.
The panel recommended that the FDA conduct further studies on the risks to children from dental amalgam, and that it consider a policy of informed consent for children and pregnant: that is, warning those groups of the risks associated with the fillings before installing them.
Part of the lawsuit centered on the FDA's failure to respond to these recommendations in a timely fashion.
"This is your classic failure to act," federal judge Ellen Segal Huvelle told the agency.
As part of the lawsuit settlement, the FDA must reach a final decision on the regulation of amalgam by July 28, 2009.
"This court settlement signals the death knell for mercury fillings," Brown predicted.
But J.P. Morgan Securities analyst Ipsita Smolinski disagreed, saying that the FDA is unlikely to ban amalgam entirely
"We do believe that the agency will ask for the label to indicate that mercury is an ingredient in the filling, and that special populations should be exempt from such fillings, such as: nursing women, pregnant women, young children, and immunocompromised individuals," Smolinski said.
Sources for this story include: www.reuters.com; ap.google.com; blog.newswe
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