Method of manufacture of artificial teeth

Details Method of manufacture of artificial teeth Method of manufacture of artificial teeth

1981-08-24

1984-01-24

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

3 19, 204 37T, 204 38C, 427 2, 427330, 4273764, 4273837, 433202, 433222, A61C 508

Patent

active

044275013

ABSTRACT:
A method of providing an improved bond between porcelain and a basis metal selected from gold, platinum, palladium, silver and alloys thereof, comprises depositing on the basis metal a coating of a second metal selected from gold, platinum and palladium, and then depositing on the second metal a thin layer of a third metal selected from iron, tin, zinc, copper, cobalt and indium. Heat is applied to oxidize the third metal and porcelain is fired onto the oxide so formed.

REFERENCES:
patent: 1444436 (1923-02-01), Teeter et al.
patent: 1782552 (1930-11-01), Supplee
patent: 2569453 (1951-10-01), Chester et al.
patent: 2819207 (1958-01-01), Shepard
patent: 2980998 (1961-04-01), Coleman et al.
patent: 3585064 (1971-06-01), Prosen
patent: 3934348 (1976-01-01), Janjin
patent: 4064311 (1977-12-01), McLean et al.

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