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Dent. J. 2016, 4(3), 31; doi:10.3390/dj4030031

Marginal Vertical Fit along the Implant-Abutment Interface: A Microscope Qualitative Analysis

Department of Prosthodontics, Dental School, Dental Clinic, University of Ferrara, Ferrara 44121, Italy
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Academic Editors: Bernhard Pommer and Patrick R. Schmidlin
Received: 30 March 2016 / Revised: 26 August 2016 / Accepted: 27 August 2016 / Published: 6 September 2016
(This article belongs to the Special Issue Advances in Implant Dentistry)
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Abstract

The aim of this study was to qualitatively evaluate the marginal vertical fit along two different implant-abutment interfaces: (1) a standard abutment on an implant and (2) a computer-aided-design/computer-aided-machine (CAD/CAM) customized screw-retained crown on an implant. Four groups were compared: three customized screw-retained crowns with three different “tolerance” values (CAD-CAM 0, CAD-CAM +1, CAD-CAM −1) and a standard titanium abutment. Qualitative analysis was carried out using an optical microscope. Results showed a vertical gap significantly different from both CAD-CAM 0 and CAD-CAM −1, while no difference was found between standard abutment and CAD-CAM +1. The set tolerance in producing CAD/CAM screw-retained crowns plays a key role in the final fit. View Full-Text
Keywords: abutment; implant; marginal fit; tolerance; optical microscope abutment; implant; marginal fit; tolerance; optical microscope
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Mobilio, N.; Fasiol, A.; Franceschetti, G.; Catapano, S. Marginal Vertical Fit along the Implant-Abutment Interface: A Microscope Qualitative Analysis. Dent. J. 2016, 4, 31.

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