Prosthodontic restoration components

摘要

In a dental post and coping combination in which the coping is a tubular envelope open at one end, a shoulder around the base of the post which has an annular surface on the locus of a first curvilinear surface, and an annular meeting surface around the open end of the coping which is on the locus of a second shallower curvilinear surface cone, so that when the two parts are assembled the two surfaces meet on the locus of a circle that coincides with the larger periphery of at least one of the two surfaces.