Endodontic gutta percha placement

Details Endodontic gutta percha placement Endodontic gutta percha placement

1993-11-22

1995-01-17

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having intra-oral dispensing means

433224, 433 90, A61G 502, A61C 502, A61C 504

Patent

active

053821610

ABSTRACT:
A prefilled disposable apparatus is provided for placing thermoplastic filling material including gutta percha in an endodontically prepared root canal. A hollow carrier has a distal end and a proximal end and has a cylindrical carrier bore defined therethrough. A plug of thermoplastic filling material is contained in the carrier bore. A displacing shaft is received in the proximal end of the carrier bore for displacing the thermoplastic filling material from the distal end of the carrier bore into the endodontically prepared root canal.

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Exhibit A-Cohen and Burns, Pathways of the Pulp (1976), pp. 351-355.
Exhibit B-Texceed Corporation advertisement entitled "Easy As . . . 1. 2. 3.". This document is undated but is admitted to be prior art.
Exhibit C-The Hygenic Corporation brochure entitled "Hygenic Ultrafil.TM. Technique Manual". This document is undated but is admitted to be prior art.
Exhibit D-Thermafil brochure entitled "Thermafil Endodontic Obturators-Detailed Instructions for the use of Thermafil Endodontic Obturators", dated in 1991, and admitted to be prior art.
Exhbit E-Advertisement of Thermafil, dated in 1991, admitted to be prior art.
Exhibit F-Advertisement of AlphaSeal Endo System. This document is undated but is admitted to be prior art.
Exhibit G-Advertisement of Hygenic Corporation. This document is undated but is admitted to be prior art.
Exhibit H-Advertisement of JS Dental Manufacturing, Inc. (Undated but admitted to be prior art.).
Exhibit I-Advertisement of JS Dental Manufacturing, Inc. (Undated but admitted to be prior art.).
Exhibit J-Advertisment of JS Dental Manufacturing, Inc. (Undated but admitted to be prior art).
Exhibit K-Advertisement of Johnson & Johnson (Undated but admitted to be prior art).
Exhibit L-Catalog description of device (Undated but admitted to be prior art).
Exhibit M-Illustration (Undated but admitted to be prior art).
Actual sample of prior art gutta percha point.
Exhibit A to Supplemental Information Disclosure Statement-Communication from European Patent Office re Application No. 92309372.8 dated May 7, 1993.
Exhibit B to Supplemental Information Disclosure Statement-English translation of French Patent 1,602,331.

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