Title: Dental amalgam

Abstract: An improved metal powder blend and improved dental amalgams produced therefrom comprising a mechanical mixture containing controlled proportions of an amalgamatable silver-base alloy powder and a substantially non-amalgamatable eutectic alloy powder containing a controlled quantity of tin which upon trituration with mercury forms a substantially continuous matrix having dispersed therethrough discrete phases of the non-amalgamatable powder particles which impart improved mechanical properties to the resultant dental restoration.

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Inventors: Asgar, Kamal (Ann Arbor, MI, US)
Reichman, Steven H. (Ann Arbor, MI, US)

Application Number: 596399
Filing Date: 1975-07-16
Publication_date: 1976-09-14
Assignee: Special Metals Corporation (New Hartford, NY)
Primary Class(es): 420/527 75/255, 75/338, 75/955, 148/400, 420/502
Other Classes:
US Patent Ref:

3305356	Feb, 1967	Youdelis	75/169.
3841860	Oct, 1974	Wolf	75/.

Other Refs:
Primary Examiner: Rutledge, L. Dewayne
Assistant Examiner: Weise, E. L.
Attorney: Harness, Dickey & Pierce