Amalgamation, meaning to combine or unite into one form, has several uses:
In chemistry, amalgamation is the blending of two elements, and usually an amalgam is a metallic alloy with the element mercury, often used in tooth fillings. (See also: metallurgy.) The use of amalgum is subject to some controversy, due to suspicions that poisonous mercury or mercury vapor could leak into the mouth.
In music, amalgamation is the synthesis of sound events into an inter-parametric unit where parameters act together.
In politics, it similarly refers to the joining of two or more political units, such as cities, into one.
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Amalgam is a combination of metals that has been used in dentistry for more than 100 years and is still commonly used today.
Although it sometimes is called "silveramalgam,"amalgam actually consists of a combination of silver, mercury, tin and copper, and small amounts of zinc, indium or palladium.
Amalgam has been popular as a material for dental fillings and restorations because it is less expensive than other materials and holds up better over time, especially in teeth that undergo a lot of pressure and wear from chewing.
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