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  • Title: [Current status of implant-abutment--part 1: abutments for cemented versus screw retained restorations].
    Author: Harel N, Livne S, Piek D, Marku-Cohen S, Ormianer Z.
    Journal: Refuat Hapeh Vehashinayim (1993); 2012 Jan; 29(1):19-25, 63. PubMed ID: 22991873.
    Abstract:
    Fixed implant supported single crowns and fixed dental prostheses (FDPs) have become an accepted treatment option for replacing and restoring missing teeth. Recent systematic reviews summarized excellent 5- and 10-year survival rates for both reconstruction types. In screw-retained restorations, the fastening screw provides a solid joint between the restoration and the implant abutment or between the restoration and the implant itself. With cement-retained prostheses, this restorative screw is eliminated for many reasons: esthetics, occlusal stability, and fabrication of passively fitting restorations. The purpose of this article is to review the variety of implant-abutments available for fabrication of fixed implant-supported restoration and compare between the various abutment forms (screw vs. cement retained).
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