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Their position regarding the safety of dental amalgam is that, aside from rare allergic reactions and local side effects, "the small amount of mercury released from amalgam restorations, especially during placement and removal, has not been shown to cause any other adverse health effects."
The effects of long-term low-dose exposure to methylmercury are unclear. [6] Forms of mercury exposure include metal, vapor, salt, and organic compound. [3] Most exposure is from eating fish, amalgam-based dental fillings, or exposure at a workplace. [3]
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 ...
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]
Another example is during amalgam restorations, as amalgam contains the element mercury, and if ingested during the placing of amalgam can cause potentially harmful side effects if not treated. However, after amalgam is placed safely, evidence does suggest the exposure to mercury is at a level which is non-harmful and safe for the human body ...
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Amalgam filling: giving overall darker appearance to the tooth. Amalgam fillings often stain the tooth they are placed in. [11] This is most noticeable in very old fillings, as pigment slowly leaches out of the amalgam filling material and its associated corroded surfaces. In addition, metallic fillings cast a shadow that can be visible through ...