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Dent. J. 2016, 4(3), 31;

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
Author to whom correspondence should be addressed.
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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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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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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