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Screw- Versus Cement-Retained Implant Restorations: Current Concepts

Lee, Angie DMD*; Okayasu, Kozue DDS; Wang, Hom-Lay DDS, MSD, PhD

doi: 10.1097/ID.0b013e3181bb9033
Clinical Science and Technology
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The debate between screw- versus cement-retained implant prostheses has long been discussed but the best type of implant prosthesis remains controversial among practitioners. An understanding of their properties will help the clinician in selecting the ideal prosthesis for each clinical case while promoting final esthetic outcomes. With the evolving technology and knowledge, an update of the current trends is necessary. This article provides an overview of the different characteristics of screw- and cement-retained implant restorations, and how they may influence the esthetics, retrievability, retention, passivity, occlusion, accessibility, cost, and provisional restorations. Problems and complications frequently encountered are discussed and treatment solutions are proposed.

*Resident, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI.

†Postdoctoral Fellow, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI.

‡Professor and Director of Graduate Periodontics, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI.

Reprint requests and correspondence to: Hom-Lay Wang, DDS, MSD, PhD, Professor and Director of Graduate Periodontics, Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, 1011 North University Avenue, Ann Arbor, MI 48109-1078, Phone: (734) 763-3383, Fax: (734) 936-0374, E-mail: homlay@umich.edu

© 2010 Lippincott Williams & Wilkins, Inc.