Förtsch F, Klemt A, Kabst V, Schwandner H, Wichmann M, Matta R (2026)
Publication Type: Journal article
Publication year: 2026
Book Volume: 19
Article Number: 516
Journal Issue: 3
DOI: 10.3390/ma19030516
Dimensional accuracy of 3D-printed implant models is essential for precise implant-supported restorations. The objective of this study was to evaluate the influence of printing orientation and model base design on the accuracy of implant position transfer. A standardized maxillary model with four implants was scanned using an intraoral scanner. Solid and hollow models were designed and printed using digital light processing (DLP) technology at orientations of 0°, 45°, and 90° (n = 10 per group). All models were digitized with a high-precision industrial scanner, and implant position deviations were determined by comparing corresponding reference points with the master model. Data were analyzed using two-way analysis of variance and post hoc tests (α = 0.05). Printing orientation significantly affected accuracy (p < 0.001). Models printed at 45° showed the highest deviations, whereas those printed at 0° and 90° exhibited comparable and superior accuracy. Model design (solid vs. hollow) had no significant influence at 0° and 90°, but hollow models were more accurate at 45° (p < 0.001). Mean deviations ranged from 131 μm to 382 μm. Printing at 0° or 90° is recommended, while 45° orientations should be avoided. Model design showed minimal effect on accuracy.
APA:
Förtsch, F., Klemt, A., Kabst, V., Schwandner, H., Wichmann, M., & Matta, R. (2026). Influence of Model Design and Printing Orientation on the Dimensional Accuracy of 3D-Printed Models for Implant-Supported Restorations. Materials, 19(3). https://doi.org/10.3390/ma19030516
MLA:
Förtsch, Felix, et al. "Influence of Model Design and Printing Orientation on the Dimensional Accuracy of 3D-Printed Models for Implant-Supported Restorations." Materials 19.3 (2026).
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