Patent ID: 6663388
Filing Date: 2003-12-16
Classification: A61C

Abstract:
A connection arrangement comprising a dental implant (1) and an abutment (2) fixed thereon, in which the implant (1) has an implant head (10) and a downwardly extending shank part (19); provided in the implant head (10) is a receiving hole (12), having a top which opens out, and having a bottom (13), from which extends an axial, downwardly facing internally threaded blind hole (14); the abutment (2) has an upper neck part (20) and a lower root part (29), which ends at a lower edge (272), and the neck part (20) protrudes out of the implant (1), while the root part (29) is positioned in the receiving hole (12); a base screw (3), connecting the abutment (2) to the implant (1) is provided, having a screw head (30), and a threaded shank (32); the abutment (2) has an inlet (24), which begins at a lower edge (272) and a support ring (4) is positioned therein, the base screw (3) protruding through the inlet (24); wherein the abutment (2) has in the inlet (24) a widened portion (243), starting at the lower edge (272) and extending internally into the abutment (2) upwardly to a shoulder surface (242), wherein the support ring (4) is firmly inserted in the inlet (24); and the base screw (3), held in the inlet (24) of the abutment (2), rests on the support ring (4).