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EnglishThe 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.
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| Data di pubblicazione: | 2016 | |
| Titolo: | Marginal Vertical Fit along the Implant-Abutment Interface: A Microscope Qualitative Analysis | |
| Autori: | Mobilio, Nicola; Fasiol, Alberto; Franceschetti, Giulio; Catapano, Santo | |
| Rivista: | DENTISTRY JOURNAL | |
| Abstract in inglese: | 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. | |
| Digital Object Identifier (DOI): | 10.3390/dj4030031 | |
| Handle: | http://hdl.handle.net/11392/2368978 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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