Method for treating a screw-cement retained prosthesis,...

A - Human Necessities – 61 – C

Patent

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A61C 8/00 (2006.01)

Patent

CA 2518312

A method for treating a screw-cement retained prosthesis, an abutment and an implant are disclosed. The method for treating the screw-cement retained prosthesis, which relates to an internal implant, comprises the steps of providing an abutment comprising a joining projection, repositioning the joining projection to a joining groove formed in the upper portion of a fixture, engaging the abutment to the fixture by using a screw, providing a prosthetic appliance including a screw hole, and bonding the prosthetic appliance and the abutment by interposing dental cement between the abutment and the prosthetic appliance. The present invention includes all of the advantages of screw retained prostheses and cement retained prostheses and at the same time can solve the disadvantages thereof. Using a leading inclined surface formed in the joining projection, the abutment and prosthetic appliance are easily separated from and remounted to the fixture.

L'invention concerne un procédé de traitement d'une prothèse retenue par vis et ciment, une butée et un implant. Le procédé de traitement de la prothèse retenue par vis et ciment, laquelle est associée à un implant interne, consiste à utiliser une butée comprenant une partie saillante de liaison, à repositionner la partie saillante de liaison sur une rainure de liaison formée dans la partie supérieure d'une fixation, à monter la butée sur la fixation à l'aide d'une vis, à utiliser une prothèse comprenant un trou de vis et à lier la prothèse et la butée par intercalage de ciment dentaire entre la butée et la prothèse. La présente invention présente tous les avantages des prothèses retenues par vis et des prothèses retenues par du ciment et, dans le même temps, permet de supprimer leurs désavantages. De par l'utilisation d'une surface de tête inclinée formée dans la partie saillante de liaison, la butée et la prothèse peuvent facilement être séparées de la fixation et remontées sur cette dernière.

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