Low silver containing dental amalgam alloys

Details Low silver containing dental amalgam alloys Low silver containing dental amalgam alloys

1982-06-15

1984-06-12

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

420502, 420504, 420560, 420527, 420587, 420589, 75 05R, B22F 100, C22C 506

Patent

active

044539770

ABSTRACT:
Conventional or non-conventional dental amalgam alloys in the form of lathe-cut, spherical shaped or irregular shaped particles of silver, tin, copper and zinc are improved by adding to the alloys at least one compound selected from Cu.sub.6 Sn.sub.5, Cu.sub.3 Sn or a mixture thereof. The resulting dental alloy mixture is low in silver, is corrosion resistant, and is used as a filling for dental cavities after amalgamation with mercury.

REFERENCES:
patent: 3954457 (1976-05-01), Weikel
patent: 3963484 (1976-06-01), Sarkar
patent: 3980472 (1976-09-01), Asgar
patent: 3997328 (1976-12-01), Aliotta et al.
patent: 3997329 (1976-12-01), Aliotta et al.
patent: 3997330 (1976-12-01), Aliotta et al.
patent: 4015981 (1977-04-01), Rogova et al.
patent: 4039329 (1977-08-01), Youdelis
patent: 4164419 (1979-08-01), Kaji et al.
patent: 4226622 (1980-10-01), Aliotta et al.
patent: 4370165 (1983-01-01), De Luca

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