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

A - Human Necessities – 61 – C

Patent

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A61C 8/00 (2006.01)

Patent

CA 2518208

A method for treating a screw-cement retained prosthesis and an abutment are disclosed. The method for treating the screw-cement retained prosthesis comprises the steps of implanting a fixture in an alveolar bone; engaging an abutment including a first screw hole to the fixture using a screw; providing a prosthetic appliance including a second screw hole formed correspondingly to the first 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 advantages of a screw retained prosthesis and a cement retained prosthesis and can solve the problems of the screw and cement retained prostheses. Furthermore, in order to easily separate and remount the bonded abutment and prosthetic appliance from the fixture, an allowance groove, which may provide an allowance space, is formed in a receiving portion.

L'invention a trait à un procédé de traitement de prothèse à vis maintenue par un ciment et à un élément d'ancrage destiné à une telle prothèse. Ce procédé comporte les étapes consistant à : implanter un élément de fixation dans un os alvéolaire ; appliquer sur l'élément de fixation, à l'aide d'une vis, un élément d'ancrage comprenant un premier trou de vis ; prévoir une prothèse comprenant un deuxième trou de vis formé de manière correspondre au premier trou de vis ; et lier la prothèse à l'élément d'ancrage en plaçant du ciment dentaire entre l'élément d'ancrage et la prothèse. L'invention comporte les avantages d'une prothèse à vis et ceux d'une prothèse maintenue par un ciment, et permet de résoudre les problèmes posés ces deux types de prothèse. De plus, afin de faciliter la séparation et le remontage de l'élément d'ancrage et de la prothèse liés par rapport à l'élément de fixation, une rainure assurant un espace de jeu est formée dans une partie de réception.

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