Abutment for a dental implant

A - Human Necessities – 61 – C

Patent

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Details

A61C 8/00 (2006.01)

Patent

CA 2749762

The present invention relates to an abutment for a dental implant (50), with an apical end (4) and with a coronal end (6) arranged opposite the apical end in the longitudinal direction. In the area of the apical end (4), the abutment has an insert portion (8) which is designed to be received by an opening of the dental implant and which has an anti-rotation segment (10) comprising at least one anti-rotation element (27). The anti-rotation element (27) comprises a groove (18', 18' ') which, from the edge of the anti-rotation segment (10) directed toward the apical end (4), extends in the coronal longitudinal direction along a groove portion (14) with a substantially constant groove width. The invention is characterized in that the groove (18', 18' ') is continuously widened in a transition portion (20) adjoining the groove portion (14), in order to merge into a bevel (24', 24'') in a bevel portion (22) adjoining the transition portion (20).

La présente invention porte sur une butée pour implant dentaire (50), avec une extrémité apicale (4) et une extrémité coronaire (6) disposée à l'opposé de l'extrémité apicale dans la direction longitudinale. Dans la zone de l'extrémité apicale (4), la butée comporte une partie d'insert (8) conçue pour être reçue par une ouverture de l'implant dentaire et comportant un élément anti-rotation (10) comprenant au moins un élément anti-rotation (27). L'élément anti-rotation (27) comprend une rainure (18', 18'') qui, à partir du bord du segment anti-rotation (10) dirigé vers l'extrémité apicale (4), s'étend dans la direction longitudinale coronaire le long d'une partie de rainure (14) dont la profondeur de rainure est sensiblement constante. L'invention est caractérisée en ce que la rainure (18', 18'') s'élargit de façon continue dans une partie de transition (20) adjacente à la partie de rainure (14), afin de fusionner en un biseau (24', 24'') dans une partie en biseau (22) adjacente à la partie de transition (20).

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