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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.
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.
Zinc amalgam finds use in organic synthesis (e.g., for the Clemmensen reduction). [3] It is the reducing agent in the Jones reductor, used in analytical chemistry.Formerly the zinc plates of dry batteries were amalgamated with a small amount of mercury to prevent deterioration in storage.
In addition to developing a standard for cavity preparations, Black also experimented with various mixtures of amalgam. [4] After years of experimentation, Black published his balanced amalgam formula in 1895. This formula and its variations quickly became the gold standard and would remain such for almost 70 years. [5]
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 ]
Dental amalgam has had a long history and global impact. [3] It was first introduced in the Chinese materia medica of Su Kung in 659 A.D. during the Tang dynasty. [ 3 ] In Europe, Johannes Stockerus, a municipal physician in Ulm, Germany, recommended amalgam as a filling material as early as 1528. [ 3 ]
Bonded amalgam, used in dentistry; Amalgam may also refer to: Amalgam Comics, a publisher; Amalgam Digital, an independent record label in Boston, Massachusetts; Amalgam, Gauteng, South Africa; Amalgam, a fictional organization in Full Metal Panic!: The Second Raid "Amalgam", a track from the soundtrack of the 2015 video game Undertale by Toby Fox
After six to eight weeks of mixing and soaking in the sun, a complex reaction converted the silver to native metal, which formed an amalgam with the mercury. The mixture was then washed and strained through a canvas bag before being placed into a hooded oven. [14] Heating this amalgam vaporized the mercury, leaving the silver. [15]