Patent ID: 8142191
Filing Date: 2012-03-27
Classification: A61C

Abstract:
1. A dental abutment configured for connection to a dental implant, comprising: a ceramic body portion having a base region, a coronal region, a transgingival region disposed between the base and coronal regions, and a notch in an external surface of the ceramic body portion disposed proximate an intersection of the base region and the transgingival region having an annular shelf extending radially outwardly from the base region, the notch having an annular rim extending upwardly from the annular shelf, and an annular base wall extending radially outwardly from an upper end of the annular rim opposite the annular shelf; and a metal contact portion in the form of an annular ring made of metal and received in the notch of the ceramic body portion to engage the dental implant so that all axial loads are transferred to the dental implant only via the metal contact portion, the metal contact portion having an annular inner surface facing and engaging the annular rim, an annular top surface facing and engaging the annular base wall and an outer contact surface having a conical portion disposed at an oblique angle with respect to a longitudinal axis defined by the ceramic body portion to match an angle of a chamfer of the dental implant.