Search results
Results From The WOW.Com Content Network
Amalgam filling on first molar. In dentistry, amalgam is an alloy of mercury used to fill teeth cavities. [1] It is made by mixing a combination of liquid mercury and particles of solid metals such as silver, copper or tin.
The composition of dental amalgam is controlled by the ISO Standard for dental amalgam alloy (ISO 1559). [12] The major components of amalgam are silver, tin and copper. [12] Other metals and small amounts of minor elements such as zinc, mercury, palladium, platinum and indium are also present. [12]
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 ...
This page was last edited on 6 June 2008, at 22:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
Dental amalgam controversy; S. Sodium amalgam This page was last edited on 25 September 2022, at 00:29 (UTC). Text is available under the Creative Commons ...
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]
Amalgam filling was the recommended material for root-end fillings until the 1990s, when safety concerns (leakage, toxicity, and corrosion) prompted re-evaluation of its use. [23] Calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA) are considered more suitable, since they enhance periradicular tissue regeneration.
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: