Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1987-09-08
1989-08-29
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
Crown
4332221, 433223, A61C 508
Patent
active
048612677
ABSTRACT:
A slitted metal foil and method for forming a dental coping comprised of a composite body formed from at least two layers of precious metal with at least one or more slits extending from the perimeter to a location at or relatively close to the center of the foil to form slitted ends adapted to be overlaid to form a coping having a conical or frusto-conical shape.
REFERENCES:
patent: 4273580 (1981-06-01), Shoher et al.
patent: 4427501 (1984-01-01), Rogers
patent: 4459112 (1984-07-01), Shoher et al.
patent: 4492579 (1985-01-01), Shoher et al.
patent: 4676751 (1987-06-01), Shoher et al.
patent: 4698021 (1987-10-01), Shoher et al.
Shoher Itzhak
Whiteman Aharon E.
Lepiane Adriene J.
Lieberstein E.
Wilson John J.
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