A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 13/30 (2006.01) A61C 5/00 (2006.01) A61C 5/02 (2006.01) A61C 5/04 (2006.01) A61C 13/263 (2006.01)
Patent
CA 2207392
A method and system for inserting a dental post (51) into a tooth root canal is provided. The method comprises the steps of cutting out a post hole (17) in the tooth (11) and inserting a threaded tap (19) into the post hole (17) for creating at least one groove (45) along the hole (17). Significantly, the tap (19) includes at least one slot (31) defined by a pair of flexible legs (27, 29) and running at least a portion of the length thereof for reducing stress along the post hole (17) during threaded insertion. Also provided is a lentulo drill (37) comprising a spiraled wire (41) with a reverse spiral configuration at the apical end (43) thereof for confining cement placement in the post hole (17) prior to insertion of the dental post (51).
La présente invention concerne un procédé et un système pour l'introduction d'un tenon dentaire (51) dans un canal radiculaire de dent. Le procédé comprend le perçage d'un trou (17) pour tenon dans la dent (11) et l'introduction d'un taraud (19) dans le trou (17) du tenon pour former au moins une gorge (45) le long du trou (17). Un point important est le fait que le taraud (19) comprenne au moins une fente (31) formée par deux branches souples (27, 29) et qui s'étend au moins sur une partie de leur longueur, pour réduire les contraintes le long du trou (17) du tenon pendant l'introduction avec taraudage. L'invention concerne aussi un foret lentulo (37) qui comporte un fil métallique en spirale (41), la spirale étant inversée à son extrémité (43) pour limiter la mise en place de ciment dans le trou (17) avant la mise en place du tenon (51).
Cohen Brett I.
Deutsch Allan S.
Musikant Barry L.
Cassan Maclean
Essential Dental Systems Inc.
LandOfFree
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