Patent ID: 7014464

Claim:
A multi-part abutment for use with an endosseous dental implant that includes an internal passage with a bevel with a transverse cross-section of approximately circular shape including a plurality of recesses at or near the opening of the passage, and internal threads and internal wrench-engaging surfaces in said passage, comprising: a first part comprising a proximal, prosthesis-engaging portion, connected to and contiguous with a portion having an approximately cylindrical shape, said portion including a plurality of distal, external, longitudinally-projecting, male lobes or points or slots; said prosthesis-engaging portion and said plurality of male lobes or points or slots being connected by a bevel with a transverse cross-section of approximately circular shape punctuated by one or more projections that extends entirely or partly around said first abutment part, and is of a size and shape to seat in said bevel at or near the opening of the internal passage of said implant; said first abutment part further comprising an internal, longitudinal, through passage including an inwardly-projecting surface; and a second part comprising a fixation screw having a size and shape to fit into said internal, longitudinal, through passage of said first abutment part, and to engage threads inside said implant, and said inwardly-projecting surface, to hold said abutment in place in said implant.