Dental Amalgam
By: Carli Cover
Composition
Dental amalgam is made of nearly two equal parts: liquid mercury and powder containing silver, tin, copper, zinc, and other metals.
Mercury- 50%
Silver-22%-32%
Tin-14%
Copper-8%
Discovery
The invention of Dental Amalgam was by English chemist, Bell.
Manufactoring
Dental Amalgam is a mixture of 50% elemental mercury with a metallic alloy which mainly contains silver and tin. The liquid mercury is mixed with the alloy powder in a 1 to 1 weight ratio.
Cost
The cost of Dental Amalgam averages from $110-$200 per filling. Depending on how bad the cavity is and the number of teeth that need it.
3 Physical properties
Silver
Hard
Shinny
3 Chemical proprties
Corrosive
Flammable
Polymerization occurs when exposed to visible light, ultraviolet light or extreme light
Use
Dental amalgam is used to fill a tooth when there is a cavity however other methods are used more then amalgam because of health risks from amalgam
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Interesting Fact
Dental amalgam is actually very toxic to your body and can slowly shut down your organs