Dentistry – Apparatus – Having intra-oral dispensing means
Reexamination Certificate
2005-10-18
2005-10-18
Lewis, Ralph A. (Department: 3732)
Dentistry
Apparatus
Having intra-oral dispensing means
C433S229000, C604S891100, C424S435000
Reexamination Certificate
active
06955538
ABSTRACT:
A device for placing a slow-release supply in the oral cavity, typically in a tooth filling or dental prosthesis. The device includes a sleeve having an opening at least at one end and adapted to be inserted in a recess of the filling or prosthesis, and which is substantially cylindrical in shape. At the end which is to be place deepest within the filling or prosthesis, the sleeve has a diameter which is somewhat larger than the remainder of the sleeve in order to form a groove.
REFERENCES:
patent: 3600807 (1971-08-01), Sipos
patent: 4671768 (1987-06-01), Ton
patent: 4764377 (1988-08-01), Goodson
patent: 4959052 (1990-09-01), Cox
patent: 5090903 (1992-02-01), Taylor et al.
patent: 5197882 (1993-03-01), Jernberg
patent: 5503558 (1996-04-01), Clokie
patent: 5584688 (1996-12-01), Sakuma et al.
patent: 6326022 (2001-12-01), Katz
patent: 864299 (1998-09-01), None
Borch Björn
Nilsson John Thorleif
Decon AS
Dennison Schultz Dougherty & MacDonald
Lewis Ralph A.
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