Dental amalgam controversy total global emissions. Mercury emissions from cremation are growing in the US, both because cremation rates are increasing and because the number of teeth in the deceased are increasing due to better dental care. Since amalgam restorations are very durable and relatively inexpensive, many of the older deceased have amalgam restorations. According to work done in Great Britain, mercury emissions from cremation are expected to increase until at least 2020. The American Dental Association (ADA) has asserted that dental amalgam is safe and has held that, "the removal of amalgam restorations from the non-allergic patient for the alleged purpose of
Amalgam (dentistry) properties of amalgam. Creep or plastic deformation happens when subjected to intra-oral stresses such as chewing or grinding. Creep causes the amalgam to flow and protrudes from the margin of the cavity forming unsupported edges. ‘Ditch’ is formed around the margins of the amalgam restoration and make it prone to fracture. The γ2 phase of amalgam is primarily responsible for high values of creep. Corrosion occurs when an electrolytic cells of anode and cathode set up in the presence of electrolytes. The multiphase structure of dental amalgam can contribute as an anode or cathode with saliva as electrolytes. Corrosion may