Patent ID: 6168436
Filing Date: 2001-01-02
Classification: A61C

Abstract:
A universal dental implant abutment system for securement to an implant body, comprising: an abutment collar having a bore extending longitudinally therethrough said abutment collar having a proximal end portion adapted for fixation of a dental prosthesis thereto, said proximal end portion adapted for fixation being removable for attachment of a prosthesis by a fastener to a fixation screw located in the bore, said abutment collar having a distal end portion having an extension sized for frictional fit within a matching portion of an implant body and a recessed area for receiving, for a frictional fit, a matching extension on the implant body; and, the fixation screw disposed within said longitudinal bore of said abutment collar having a threaded distal end for threaded engagement with the implant body and a head portion formed on a proximal end of the fixation screw, said head portion having a longitudinally directed bore open on said proximal end of the fixation screw and having first and second longitudinally spaced sections formed within said bore of said head portion, said first section having a non-circular cross sectional contour adapted to receive a driving tool therein, said second section having internal threads formed therein for threaded engagement with a retention fastener of a prosthesis.