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The same year, the use of dental amalgam was declared to be malpractice by the American Society of Dental Surgeons (ASDS), the only US dental association at the time, who forced all of its members to sign a pledge to abstain from using the mercury fillings. [7] This was the beginning of what is known as the first dental amalgam war. [8]
Also, in the FDA final regulation on dental amalgam in 2009, the FDA recommended the product labeling of dental amalgam. The suggested labeling included: a warning against the use of dental amalgam in patients with mercury allergy, a warning that dental professionals use appropriate ventilation when handling dental amalgam, and a statement ...
An amalgam dental filling. Dentistry has used alloys of mercury with metals such as silver, copper, indium, tin and zinc. Amalgam is an "excellent and versatile restorative material" [9] and is used in dentistry because it is inexpensive and relatively easy to use and manipulate during placement. It remains soft for a short time so it can be ...
Gold foil was the most popular filling material during the Civil War. Tin and amalgam were also popular due to lower cost, but were held in lower regard. One survey [citation needed] of dental practices in the mid-19th century catalogued dental fillings found in the remains of seven Confederate soldiers from the Civil War. They were made of:
Compomers are resin-based materials like dental composites, and the components are largely the same.. The setting reaction is similarly a polymerisation process of resin monomers (e.g. urethane dimethacrylate) which have been modified by polyacid groups, and is induced by free radicals released from a photoinitiator such as camphorquinone.
When amalgam fillings are drilled for height adjustment, repair or replacement, some mercury-containing amalgam is inevitably washed down drains. (See Dental amalgam controversy - Environmental impact) When amalgam fillings are prepared by dentists, improperly disposed excess material may enter landfills or be incinerated. Cremation of bodies ...