An improved appliance for use in applying filler material to...

A - Human Necessities – 61 – C

Patent

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83/11

A61C 5/04 (2006.01)

Patent

CA 2007220

An improved appliance for use in applying filler material, such as gutta-percha or the like, to an endodontically prepared root canal of a tooth in the form of an elongated shaft of material having high biological tolerance, the shaft having a handle portion at the proximal end portion, the shaft distal end portion having a surface configuration adaptable to retain filler material formed thereon and being positionable in a root canal, the shaft distal and proximal portion being severable from each other whereby the distal portion and filler material therein remain in the root canal. In the preferred arrangement the shaft distal portion surface is defined by a spiral groove.

La présente invention a pour objet un appareil amélioré pour l'application d'un matériau d'obturation tel la guetta-percha ou autre matériau semblable, dans les canaux radiculaires dans les traitements endodontiques, se présentant sous forme de tige de matériau allongée à haute tolérance biologique, la tige en question comportant une poignée à son extrémité proximale, son extrémité distale présentant une configuration permettant de former et de retenir le matériau d'obturation, et destinée à faciliter l'insertion dans un canal radiculaire; les parties distale et proximale de la tige peuvent être séparées l'une de l'autre, la séparation des deux parties permettant de laisser la partie distale et le matériau d'obturation en place à l'intérieur du canal radiculaire. Dans une version préférée de l'invention, la surface de l'extrémité distale est pourvue d'une rainure en spirale.

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