amalgam

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5% considered the use of amalgam as safe during pregnancy, 70.
The compressive strength, creep, dimensional change, hardness and thermal conductivity of all amalgams are shown in Table (2).
People with CFS and FM, unlike healthy controls, tend to test positive for allergies to nickel, mercury, and other metals found in amalgams.
Macabuhay claimed that mercury vapor emissions from the use of dental amalgam could be "substantial" and "usually exceeds general and accepted human exposure limits.
Bonded and resin coated amalgams are some alternatives offering good initial marginal seal but technique sensitivity increases (25).
A common test used to check for mercury exposure from dental amalgam fillings may significantly overestimate the amount of the toxic metal released from fillings, a recent study found.
The purpose of this study was twofold: to compare the survival rates of ART restorations with conventional methods such as amalgam as modalities to treat carious lesions in permanent dentition in Ecuador, Panama, and Uruguay; and to explore differences in the delivery of this service by dentists and dental auxiliaries in terms of failure rates and overall costs.
Amalgams, although solid, show a significant vapor pressure and solubility of mercury.
Occupational exposure to mercury from amalgams during pregnancy.
Prior to this report, little was known about how the chemical forms of mercury in dental amalgam might change over time.
The dental amalgam on the surface of an old tooth filling may have lost as much as 95 per cent of its mercury but what's left is in a form that is unlikely to be toxic in the body," said Graham George, who led the study.
Composites are more likely to fracture than amalgams, so they are recommended for small to medium fillings in teeth that are subjected to moderate chewing pressure.