This article presents a comparative analysis of the dimensional accuracy of digital models obtained throughdirect laser scanning of silicone impressions and scanning of Type IV and Type V gypsum models used in prostheticdentistry. A calibrated Johanssen gauge block with a nominal reference distance of 7 mm was employed as theexperimental standard. The results demonstrate that digital models derived from Type IV super-gypsum (Elite Rock)exhibit the highest dimensional accuracy. Direct scanning of impressions showed slightly greater deviations, primarilyattributed to the application of anti-glare spray required for optical scanning of reflective silicone surfaces. While directimpression scanning is clinically viable and offers workflow efficiency, its accuracy remains marginally inferior to gypsumbaseddigitization for high-precision prosthetic applications. The findings emphasize the importance of material selectionand scanning methodology optimization in modern CAD/CAM dental workflows
| Mualliflar | Akhmadov , Inomjon, Matchanov , Boburbek |
|---|---|
| Jurnal | Innovation science and technologiy |
| Nashr sanasi | 2026-01-01 |
| Jild | 2 |
| Son | 1 |
| Til | Ingliz |
| DOI | 10.5281/zenodo.18472744 |
DOI: 10.5281/zenodo.18472744 · Maqolaning asl sahifasi
prosthetic dentistry, digital impression, CAD/CAM, A-silicone, super-gypsum, laser scanning, dimensional accuracy.
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