The invention relates to a dental abutment or implant assembly comprising: a body having a longitudinal axis, a distal end and an open proximal end implant retaining means provided on an external portion of said bodyan internal bore provided within a portion of said body, said internal bore having a proximal end at the open proximal end of said body and a distal enda first portion of said internal bore comprising an internally facing sloping surface having a proximal end and a distal end, said sloping surface extending from near the proximal end of said internal bore toward the distal end of said internal bore, said surface being formed with a sloping path inwardly toward its distal end at an angle of about 8 [deg.] to about 40 [deg.] relative to said longitudinal axis when the implant is seen from the sidea second portion of said internal bore comprising an internally facing drive region positioned between the distal end of said surface and the distal end of said internal bore anda third portion of said internal bore comprising an internally threaded region positioned within said drive region and the distal end of said internal bore.
