Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1983-04-22
1985-01-08
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
Crown
433218, A61C 508
Patent
active
044925794
ABSTRACT:
The dental jacket crown of the present invention is prepared from a thin metal foil substrate which is coated with a noble based metal composition having a low fusing temperature and folded in a predetermined manner to form multiple folds in the form of triangular like flaps or pleats. The folded foil represents the coping of the present invention. The coping is mounted over a die of the prepared tooth and the flaps wrapped in overlapping formation and then adapted to the die. The die is removed and the structure heated preferably under a bunsen burner. A bonding material may be coated over the free standing structure if desired. A veneering material such as porcelain is then coated over the structure to form the crown.
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patent: 503419 (1893-08-01), Johnston
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patent: 4273580 (1981-06-01), Shoher et al.
Theory and Practice of Crown and Bridge Prosthesis, by Stanley D. Tylman, 1947, pp. 523-531.
Shoher Itzhak
Whiteman Aharon
Lieberstein Eugene
Wilson John J.
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