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Dental Amalgam
Dental amalgam is the end result of mixing approximately equal parts of elemental liquid mercury (43 to 54 %) and an alloy powder (57 to 46 %) composed of silver, tin, copper, and sometimes smaller amounts of zinc, palladium, or indium. It has been widely used since the mid 1800s.
Ever since dentists first started installing amalgams in patients' teeth there has been an issue as to whether the dose of mercury is released from them and causes health (pathophysiologic) problems. For those interested in further researching the mercury/amalgam controversy we suggest two sites: www.iaomt.org and www.amalgam.org
Dental amalgam manufacturers
As part of its ongoing effort to educate dentists, patients, and amalgam manufacturers, Reeves & Associates of Lexington, Kentucky, on behalf of the IAOMT, sent the following letter to amalgam manufacturers in May and September of 1992:
"The potential for harmful health effects resulting from mercury exposure from mercury/silver amalgam dental fillings is no longer a matter of scientific debate. Such adverse effects have now been documented and reported by qualified medical scientists. Serious questions exist regarding mercury's role in loss of kidney function, Alzheimer's Disease, and a host of neurological disorders. My client, the International Academy of Oral Medicine and Toxicology (IAOMT) has compiled and reviewed all relevant scientific documentation and has found a total lack of scientific rigor to support statements that chronic exposure to mercury from dental amalgam is harmless to patients. I am sure you and your attorneys are all too aware of the potential for product liability under Restatement of Torts, Section 402A and other relevant law. In view of the totality of the information that is now available, not only does it seem likely that there will be an avalanche of product liability in the future, but that for those companies which continue to market the product, there will be a real potential for the assessment of punitive damages, much as we have seen against the asbestos industry. We believe it in your company's best interest, as well as in the interest of public health, that all use of mercury as a dental filling material cease immediately. The IAOMT has more specific information if you desire."The above letter was sent to the CEOs of 31 major amalgam manufacturers.
In March 2006, in an effort to mitigate the harmful effects of ingesting mercury amalgam during drilling and amalgam removal, the IAOMT developed a protocol for amalgam removal.
International Academy of Oral Medicine & Toxicology (IAOMT)
Pre-amalgam Removal – Activated Charcoal Slurry Rinse and Swallow
IAOMT Board Review - 3/10/06 Explanation of IAOMT position: A logical, much needed additional defense against the acute absorption of the mercury released during mercury amalgam removal.
Scientific Review
Purpose of the Scientific Review: To prevent patients from absorbing non-suctioned off and potentially toxic mercury from mercury amalgam particles when drilling out.
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