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

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.

Titolo: Marginal Vertical Fit along the Implant-Abutment Interface: A Microscope Qualitative Analysis
Autori: 
MOBILIO, Nicola
Franceschetti, Giulio
CATAPANO, Santo
mostra contributor esterni 
Data di pubblicazione: 2016
Rivista: 
DENTISTRY JOURNAL  
Handle: http://hdl.handle.net/11392/2368978
Appare nelle tipologie:03.1 Articolo su rivista

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