Patent ID: 8113835
Filing Date: 2012-02-14
Classification: A61C

Abstract:
1. An abutment assembly for use with a dental implant unit which includes an implant member and a bolt member, the implant member including an osseous end screwable into a jawbone of a patient, a gingival end disposed opposite to the osseous end in a longitudinal direction, and tubular threaded and fitted walls which are respectively distal from and proximate to the gingival end, the bolt member including an enlarged head and a shank which has a proximate segment that cooperates with the enlarged head to form a force-applying shoulder between the head and the shank, and a distal segment that is disposed to threadedly engage the tubular threaded wall so as to move the force-applying shoulder towards the gingival end, said abutment assembly comprising: a pedestal unit including: an abutment body including coping-side and bottom walls opposite to each other in the longitudinal direction, and having an inner tubular wall surface which extends longitudinally through said coping-side wall and said bottom wall to form a tubular passage region and a tubular pressed region that are proximate to said coping-side wall and said bottom wall, respectively, said bottom wall having an annular cut-out which extends longitudinally into said tubular pressed region, and which extends inwardly and radially through said inner tubular wall surface so as to form a surrounding shoulder abutment that confronts said tubular seat surface in the longitudinal direction; and a tubular packing member having: