Journal ArticleDOI
Digital versus conventional impressions for fixed prosthodontics: A systematic review and meta-analysis
Konstantinos Chochlidakis,Panos Papaspyridakos,Alessandro Geminiani,Chun-Jung Chen,I. Jung Feng,Carlo Ercoli +5 more
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TLDR
Although conclusions were based mainly on in vitro studies, the digital impression technique provided better marginal and internal fit of fixed dental restorations than conventional techniques did.Abstract:
Statement of problem Limited evidence is available for the marginal and internal fit of fixed dental restorations fabricated with digital impressions compared with those fabricated with conventional impressions. Purpose The purpose of this systematic review was to compare marginal and internal fit of fixed dental restorations fabricated with digital techniques to those fabricated using conventional impression techniques and to determine the effect of different variables on the accuracy of fit. Material and methods Medline, Cochrane, and EMBASE databases were electronically searched and enriched by hand searches. Studies evaluating the fit of fixed dental restorations fabricated with digital and conventional impression techniques were identified. Pooled data were statistically analyzed, and factors affecting the accuracy of fit were identified, and their impact on accuracy of fit outcomes were assessed. Results Dental restorations fabricated with digital impression techniques exhibited similar marginal misfit to those fabricated with conventional impression techniques (P>.05). Both marginal and internal discrepancies were greater for stone die casts, whereas digital dies produced restorations with the smallest discrepancies ( P P >.05), whereas die and restoration materials were statistically associated ( P Conclusions Although conclusions were based mainly on in vitro studies, the digital impression technique provided better marginal and internal fit of fixed restorations than conventional techniques did.read more
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Intraoral scanners in dentistry: a review of the current literature
TL;DR: Optical impressions reduce patient discomfort; IOS are time-efficient and simplify clinical procedures for the dentist, eliminating plaster models and allowing better communication with the dental technician and with patients; however, with IOS, it can be difficult to detect deep margin lines in prepared teeth and in case of bleeding, there is a learning curve, and there are purchasing and managing costs.
Journal ArticleDOI
Accuracy of four intraoral scanners in oral implantology: a comparative in vitro study.
Mario Imburgia,Silvia Logozzo,Uli Hauschild,Giovanni Veronesi,Carlo Mangano,Francesco Mangano +5 more
TL;DR: Significant differences in trueness were found among different IOS; for each scanner, the trueness was higher in the PEM than in the FEM; for CS3600®, Omnicam® and TrueDefinition®, the precision was higher than those obtained in the BEM.
Journal ArticleDOI
CAD/CAM Ceramic Restorative Materials for Natural Teeth.
TL;DR: More evidence from long-term clinical studies is needed to verify the clinical performance of monolithic polymer-infiltrated ceramic network and zirconia teeth-supported minimally invasive and extensive restorations.
Journal ArticleDOI
Marginal adaptation and CAD-CAM technology: A systematic review of restorative material and fabrication techniques
TL;DR: No clear conclusions can be drawn about the superiority of CAD‐CAM milling over the casting technique and DMLS regarding marginal adaptation, but most of the CAD-CAM restorations/infrastructures were within the clinically acceptable marginal discrepancy (MD) range.
Journal ArticleDOI
Digital vs. conventional full-arch implant impressions: a comparative study.
Sarah Amin,Hans-Peter Weber,Matthew Finkelman,Khaled El Rafie,Yukio Kudara,Panos Papaspyridakos +5 more
TL;DR: Full-arch digital implant impressions using True Definition scanner and Omnicam were significantly more accurate than the conventional impressions with the splinted open-tray technique.
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Proceedings Article
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