JAM, Vol. 11(4), Winter 1994
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Volume
11
Number
4
The toxicity of amalgam fillings has been under discussion in Scandinavian Countries, (1,2) Germany, (3,4) and the USA (5) since the late 1970s. Initially, symptoms were thought to be due to galvanic currents ("oral galvanism"). Clinical studies did not, however, show any correlation between the quantity of electricity generated and the severity of symptoms, (6) which, of course, does not exclude the possibility of individual hypersensitivity. Later on, attention focused more on the release of mercury and its potential toxicity.