Implant Abutment Screw Rescue Techniques: A Comprehensive Review

Abstract The fracture of implant abutment screws presents a significant challenge in implant prosthodontics, potentially compromising the integrity of the implant system. The retrieval of fractured screws requires precise techniques to prevent damage to the implant body. Various retrieval methods range from manual approaches using explorers and ultrasonic scalers to advanced techniques involving customized drill guides and rotary instruments. This review provides a comprehensive overview of the available techniques for retrieving fractured abutment screws, analyzing their effectiveness, advantages, limitations, and clinical applications.