Dental foil and crown

Details Dental foil and crown Dental foil and crown

1986-12-31

1990-07-10

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

428669, 428670, 428672, 433218, 4332221, B32B 1504, A61C 509

Patent

active

049406370

ABSTRACT:
A dental crown restoration which comprises a metal coping and a relatively thick outer coating of a ceramic dental veneer. The metal coping is composed of a lamination of a low fusing temperature precious metal component substantially or entirely of gold and a high-fusing temperature precious metal component. The high fusing component is formed from three layers with one layer composed of from 90 to 100% palladium bounded on both sides by a gold based layer.

REFERENCES:
patent: 145274 (1873-12-01), Blake
patent: 154446 (1874-08-01), Blake
patent: 1008845 (1911-11-01), Meier
patent: 3052983 (1962-09-01), Weinstein et al.
patent: 4451639 (1984-05-01), Prasad
patent: 4459112 (1984-07-01), Shoher et al.
patent: 4492579 (1985-01-01), Shoher et al.
patent: 4525433 (1985-07-01), Heywood
patent: 4576789 (1986-03-01), Prasad
patent: 4676751 (1987-06-01), Shoher et al.
patent: 4698021 (1987-10-01), Shoher et al.

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