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J Dent Res 49(5): 1055-1059, 1970
© 1970 International and American Associations for Dental Research
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Influence of Mercury-to-Alloy Ratios on Line Angle Adaptation of Dental Amalgam

JOHN F. SIMON JR. 1 and DONALD A. WELKT 1

1 University of Washington School of Dentistry, Seattle, Washington, USA

Adaptation of amalgam to cavity details appears to be influenced by the precondensation content of mercury. Five alloys demonstrated an optimum content of mercury for adaptation, in that mercury content above or below this proportion decreased the adaptation. The optimum content of mercury varied between 51 and 54% and was dependent on the alloy used. A variation in mercury of 3% or less made a significant difference in adaptability for some alloys.

Submitted on August 1, 1969






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