Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1991-07-26
1992-11-10
Wilson, John J.
Dentistry
Method or material for testing, treating, restoring, or...
Crown
A61C 508
Patent
active
051619733
ABSTRACT:
Method of installing a post in a tooth having a metal obturator therein including the steps of drilling a borehole in the tooth with a tubular burr having a tubular opening therein of internal diameter at least slightly greater than the diameter of the obturator to thereby provide a borehole of selected internal diameter having the metal obturator remaining essentially therein, the obturator serving to assist in the guiding of the burr and inserting a tubular post into the borehole, the post receiving the metal obturator therein, the post extending partially above the top of the tooth to provide means for attachment of a crown or the like.
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patent: 1123730 (1915-01-01), Greenfield
patent: 1397067 (1921-11-01), Williams
patent: 1524409 (1925-01-01), Simmons
patent: 4480997 (1984-11-01), Deutsch et al.
patent: 4622012 (1986-11-01), Smoler
patent: 4820156 (1989-04-01), Ross
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