Comparative Analysis of Screw Loosening With Prefabricated Abutments and Customized CAD/CAM Abutments.

Purpose: The aim of this study was to determine the stability of computer-aided design and manufacturing (CAD/CAM) and prefabricated abutment by measuring removal torque before and after cyclic loading. Materials and Methods: Three types of fixture and 2 types of abutments were used. Removable

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