Effect of the volumetric dimensions of a complete arch on the accuracy of scanners
김민규, 손큰바다, 유범영, 이규복,
소속 상세정보
김민규 ( Kim Min-Kyu ) - Kyungpook National University Graduate School Department of Dental Science
손큰바다 ( Son Keunbada ) - Kyungpook National University Advanced Dental Device Development Institute
유범영 ( Yu Beom-Young ) - Kyungpook National University Advanced Dental Device Development Institute
이규복 ( Lee Kyu-Bok ) - Kyungpook National University School of Dentistry Department of Prosthodontics
Abstract
PURPOSE: The present study aimed to evaluate the accuracy of a desktop scanner and intraoral scanners based on the volumetric dimensions of a complete arch.
MATERIALS AND METHODS: Seven reference models were fabricated based on the volumetric dimensions of complete arch (70%, 80%, 90%, 100%, 110%, 120%, and 130%). The reference models were digitized using an industrial scanner (Solutionix C500; MEDIT) for the fabrication of a computer-aided design (CAD) reference model (CRM). The reference models were digitized using three intraoral scanners (CS3600, Trios3, and i500) and one desktop scanner (E1) to fabricate a CAD test model (CTM). CRM and CTM were then superimposed using inspection software, and 3D analysis was conducted. For statistical analysis, one-way analysis of variance was used to verify the difference in accuracy based on the volumetric dimensions of the complete arch and the accuracy based on the scanners, and the differences among the groups were analyzed using the Tukey HSD test as a post-hoc test (α=.05).
RESULTS: The three different scanners showed a significant difference in accuracy based on the volumetric dimensions of the complete arch (P<.05), but the desktop scanner did not show a significant difference in accuracy based on the volumetric dimensions of the complete arch (P=.808).
CONCLUSION: The accuracy of the intraoral scanners was dependent on the volumetric dimensions of the complete arch, but the volumetric dimensions of the complete arch had no effect on the accuracy of the desktop scanner. Additionally, depending on the type of intraoral scanners, the accuracy differed according to the volumetric dimensions of the complete arch.
키워드
Intraoral scanner; Accuracy; Complete arch; Dimension
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