Patent ID: 8920170
Filing Date: 2014-12-30
Classification: A61C

Abstract:
1. A system for securing a coping within a patient's body, the system comprising: an abutment comprising: a coping having a complimentary key feature on an internal surface portion, wherein the key feature of the abutment comprises, on an outer peripheral surface of the component supporting portion, a flat surface portion and an elongate male relief feature extending along the flat surface portion in a direction of a longitudinal axis of the abutment, wherein the complimentary key feature of the coping comprises, on an inner peripheral surface thereof, a flat surface portion and an elongate female relief feature extending along the flat surface portion in a direction of a longitudinal axis of the coping, wherein the key feature and the complimentary key feature are configured to provide a keyed mating engagement of the coping and the abutment, and wherein an apical end surface of the coping and the shoulder of the gingival cuff are configured to be flushly mated with each other when the coping and the abutment are in keyed mating engagement.