Multi-Unit Abutments

MUA Screw Loosening Etiology in Full-Arch Prostheses: Biomechanical Mechanisms and Clinical Thresholds

The mechanical failure of abutment screw connections in full-arch implant-supported prostheses represents one of the most prevalent and challenging complications encountered in implant dentistry. While screw loosening occurs in approximately 7.2% of implant prostheses overall, the rates vary substantially based on design parameters and clinical…

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Clinical cases and articles published on this website are intended for dental professionals and are provided for informational and educational purposes only. They describe the individual experience of the treating clinician and do not constitute medical advice, a treatment recommendation, or a guarantee of outcome. Results depend on patient anatomy, clinical indication, and the technique applied.

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