TL;DR
Although all materials demonstrated clinically acceptable marginal adaptation, the additively manufactured restorations exhibited significantly narrower marginal gaps compared to the milled counterparts, suggesting a potential advantage for endocrown longevity.
Background: Provisional restorations play an important role in fixed prosthodontics in maintaining function, esthetics and protecting prepared teeth until permanent restorations are applied. Digital dentistry is becoming more and more common, and computer-aided design/computer-aided manufacturing (CAD-CAM) milling and...
BackgroundThe accuracy of marginal and internal adaptation is an important determinant of the biological, mechanical, and clinical performance of indirect dental restorations. Zirconia crowns are increasingly fabricated using computer-aided design and computer-aided manufacturing (CAD/CAM). Conventional subtractive mil...
PURPOSE The purpose of this in vitro study was to compare the marginal and internal fit of ceramic-filled resin crowns fabricated using subtractive manufacturing (SM) and additive manufacturing (AM) techniques and to evaluate the effect of stereolithography (SLA) and digital light processing (DLP) technologies on resto...
Copings fabricated from dies scanned using IOS demonstrated significantly lower vertical marginal discrepancies compared to those scanned using the laboratory scanner, however, the marginal gaps observed in both groups were within clinically acceptable limits.
OBJECTIVES To evaluate the effect of additive and subtractive manufacturing workflows on the fit accuracy of inlay-retained fixed partial dentures (IRFPDs) using three-dimensional (3D) analysis. METHODS Standardized inlay preparations were performed on typodont mandibular second premolar and molar abutments, and digi...
OBJECTIVES To assess the fit of additively and subtractively manufactured zirconia fixed dental prostheses (FDPs) using different evaluation methods and compare alternative methods with the conventional method. METHODS Three-unit FDPs were fabricated additively from zirconia slurry (AM) or subtractively from highly t...
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