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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 amalgam is mixed by the dentist just before use.
Amalgam is a metallic filling material composed from a mixture of mercury (from 43% to 54%) and a powdered alloy made mostly of silver, tin, zinc and copper, commonly called the amalgam alloy. [16] Amalgam does not adhere to tooth structure without the aid of cements or use of techniques which lock in the filling, using the same principles as a ...
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]
Composites and amalgam are used mainly for direct restoration. Composites can be made of color matching the tooth, and the surface can be polished after the filling procedure has been completed. Amalgam fillings expand with age, possibly cracking the tooth and requiring repair and filling replacement, but chance of leakage of filling is less.
The history of dental treatments dates back to thousands of years. [ 1 ] [ 2 ] The scope of this article is limited to the pre-1981 history . The earliest known example of dental caries manipulation is found in a Paleolithic man, dated between 14,160 and 13,820 BP . [ 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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Auguste Taveau (Louis Augustin Onésiphore Taveau) was a French dentist born in Le Havre, the 28th of August 1792. [1] Date and place of his death are still unknown. In 1826, he was among the first to use amalgam as a dental restorative material, [2] although he had originally developed it as early as 1816.