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Dental amalgam is the largest source of mercury received by U.S. treatment plants. [56] The U.S. Environmental Protection Agency (EPA) promulgated an effluent guidelines regulation in 2017 which prohibits most dental practices from disposing dental amalgam waste down the drain. Most dental offices in the U.S. are required to use an amalgam ...
Those opposed to dental amalgam suggest that mercury from dental amalgam may lead to nephrotoxicity, neurobehavioural changes, autoimmunity, oxidative stress, autism, skin and mucosa alterations, non-specific symptoms and complaints, Alzheimer's disease, calcium-building in the kidneys, kidney stones, thyroid issues, and multiple sclerosis. [52]
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 ...
Hal Alan Huggins (1937 – November 29, 2014) was an American alternative dentistry advocate and campaigner against the use of dental amalgam fillings and other dental therapies that he believed to be unsafe. [1] [2] Huggins began to promote his ideas in the 1970s and played a major role in generating controversy over the use of amalgam. [3]
Dental amalgam is also radiopaque which is beneficial for differentiating the material between tooth tissues on radiographs for diagnosing secondary caries. The cost of the restoration is typically cheaper than composite restorations. Disadvantages of amalgam include poor aesthetic qualities due to its colour.
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:
The British Dental Journal is a bimonthly peer-reviewed medical journal published by Nature Research on behalf of the British Dental Association, of which it is an official journal. It was established in 1872 as the Monthly Review of Dental Surgery and renamed Journal of the British Dental Association in 1881, before obtaining its current title ...
[20] [22] About 84.9% of dental practitioners among those attending a health screening program in the annual ADA session in San Francisco, California, were found to restore teeth with 100–200 dental amalgam restorations in a week, and about 4.2% did a minimum of 50 dental amalgam fillings in a week. [22]