RETENTION OF DENTAL PROSTHESES AND ABUTMENTS

摘要

A screw retaining apparatus to be used with an internally threaded implant, the screw retaining apparatus comprising: a screw having a head; and a screw retaining abutment, comprising: a hollow body, capable of housing the screw; and a resilient block having a diameter smaller than the diameter of the head, wherein the resilient block is configured to allow permanent accommodation of the screw inside the abutment.