Dentistry – Method or material for testing – treating – restoring – or... – Crown
Reexamination Certificate
2005-08-02
2005-08-02
O'Connor, Cary E. (Department: 3732)
Dentistry
Method or material for testing, treating, restoring, or...
Crown
C433S174000
Reexamination Certificate
active
06923650
ABSTRACT:
A pilot bore is cut into bone tissue; a post is fixed in the bore, and an elongate enlarged region is formed at the top end of the bore using a tubular cutter which is guided on the post. The elongate enlarged region can be accurately cut even with a hand drill due to the guidance provided by the post. The cutter may have holes or channels for circulation of cooling/lubricating liquid, and a swarf-removing slot may be provided. When the technique is used in dentistry for replacement of a tooth crown, a tubular support element is fixed around the post in the bore enlargement.
REFERENCES:
patent: 4693644 (1987-09-01), Takahashi
patent: 5118294 (1992-06-01), Kurer
patent: 5161973 (1992-11-01), Johnson
patent: 5282747 (1994-02-01), Nordin
patent: 5453010 (1995-09-01), Klein
patent: 29700604 (1997-07-01), None
patent: 0 336 082 (1989-11-01), None
Hollander Law Firm, P.L.C.
O'Connor Cary E.
Stokes Candice C.
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