Amalgam Excellent handling properties High strength,Expansion,Durable,Direct technique Cheap Ease of use Damages human health?—Toxicologically? Galvanic action? Hypersensitivity Environmentally a disaster
Composition of amalgam 50% Mercury 35% Silver 13% Tin 2% Copper and Zinc
First concerns over amalgam toxicity Mercury as a chemical component Galvanic actions Hypersensitivity to amalgam
Mercury release from dental fillings
Tissues uptake of mercury from dental fillings. What tissues are affected All of them
International research concluded “ Mercury from restorations constitutes the largest non occupational source of mercury in the general population, being greater than all environmental sources combined.” W.H.O. environmental health criteria Inorganic mercury 1991.
Pathophysiological consequences
Revision ! Homeopathic mercury what do we know about the proving
Should we remove amalgam. THE CONUNDRUM Patient selection Patients request
Removal and safe protocol. Diet Remedies Dental technique
Perhaps a thousand years on from now historians will draw a similarity between the chronic lead poisoning of the Roman Empire and the insidious mercury poisoning from amalgam fillings.