Endodontic obturator

Details Endodontic obturator Endodontic obturator

1997-04-08

1998-11-10

Wilson, John J.

Dentistry

Apparatus

Having intra-oral dispensing means

433102, 433224, A61G 502

Patent

active

058334572

ABSTRACT:
An obturator for use in filling an endodontically prepared root canal in a tooth formed as an elongated body having a handle portion and a shaft, the handle portion being configured for grasping by a practitioner whereby the shaft may be inserted into a root canal, the shaft tapering from the handle to the shaft distal end, the shaft having an exterior surface having a generally linear groove therein extending from near the handle to the shaft distal end, or at least adjacent the shaft distal end, the groove providing: (a) a channel for flow of excess filler material as the shaft is positioned into a prepared root canal; (b) increased flexibility of the shaft, and (c) a passageway that will accept a slender, tapered metallic retrieval tool, such as a typical endodontic file, to assist in the removal of the shaft from a root canal.

REFERENCES:
patent: 1757595 (1930-05-01), Siegel
patent: 4019254 (1977-04-01), Malmin
patent: 4758156 (1988-07-01), Johnson
patent: 4894011 (1990-01-01), Johnson
patent: 5118297 (1992-06-01), Johnson
patent: 5302129 (1994-04-01), Heath et al.

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