Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study

The purpose of this study was to evaluate the accuracy of dental three-dimensional (3D) scanners according to the types of teeth. A computer-aided design (CAD) reference model (CRM) was obtained by scanning the reference typodont model using a high-precision industrial scanner (Solutionix C500, MEDI...

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Main Authors: Keunbada Son, Kyu-bok Lee
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/13/7/1744
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author Keunbada Son
Kyu-bok Lee
author_facet Keunbada Son
Kyu-bok Lee
author_sort Keunbada Son
collection DOAJ
description The purpose of this study was to evaluate the accuracy of dental three-dimensional (3D) scanners according to the types of teeth. A computer-aided design (CAD) reference model (CRM) was obtained by scanning the reference typodont model using a high-precision industrial scanner (Solutionix C500, MEDIT). In addition, a CAD test model (CTM) was obtained using seven types of dental 3D scanners (desktop scanners (E1 and DOF Freedom HD) and intraoral scanners (CS3500, CS3600, Trios2, Trios3, and i500)). The 3D inspection software (Geomagic control X, 3DSystems) was used to segment the CRM according to the types of teeth and to superimpose the CTM based on the segmented teeth. The 3D accuracy of the scanner was then analyzed according to the types of teeth. One-way analysis of variance (ANOVA) was used to compare the differences according to the types of teeth in statistical analysis, and the Tukey HSD test was used for post hoc testing (α = 0.05). Both desktop and intraoral scanners showed significant differences in accuracy according to the types of teeth (<i>P</i> < 0.001), and the accuracy of intraoral scanners tended to get worse from anterior to posterior. Therefore, when scanning a complete arch using an intraoral scanner, the clinician should consider the tendency for the accuracy to decrease from anterior to posterior.
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spelling doaj.art-99fe66e7857f4b96afc1d60bae716d482023-11-19T21:04:17ZengMDPI AGMaterials1996-19442020-04-01137174410.3390/ma13071744Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro StudyKeunbada Son0Kyu-bok Lee1Department of Dental Science, Graduate School, Kyungpook National University, Daegu 41940, KoreaAdvanced Dental Device Development Institute, Kyungpook National University, Daegu 41940, KoreaThe purpose of this study was to evaluate the accuracy of dental three-dimensional (3D) scanners according to the types of teeth. A computer-aided design (CAD) reference model (CRM) was obtained by scanning the reference typodont model using a high-precision industrial scanner (Solutionix C500, MEDIT). In addition, a CAD test model (CTM) was obtained using seven types of dental 3D scanners (desktop scanners (E1 and DOF Freedom HD) and intraoral scanners (CS3500, CS3600, Trios2, Trios3, and i500)). The 3D inspection software (Geomagic control X, 3DSystems) was used to segment the CRM according to the types of teeth and to superimpose the CTM based on the segmented teeth. The 3D accuracy of the scanner was then analyzed according to the types of teeth. One-way analysis of variance (ANOVA) was used to compare the differences according to the types of teeth in statistical analysis, and the Tukey HSD test was used for post hoc testing (α = 0.05). Both desktop and intraoral scanners showed significant differences in accuracy according to the types of teeth (<i>P</i> < 0.001), and the accuracy of intraoral scanners tended to get worse from anterior to posterior. Therefore, when scanning a complete arch using an intraoral scanner, the clinician should consider the tendency for the accuracy to decrease from anterior to posterior.https://www.mdpi.com/1996-1944/13/7/1744dental 3D scanneraccuracydesktop scannerintraoral scannertooth type
spellingShingle Keunbada Son
Kyu-bok Lee
Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
Materials
dental 3D scanner
accuracy
desktop scanner
intraoral scanner
tooth type
title Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
title_full Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
title_fullStr Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
title_full_unstemmed Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
title_short Effect of Tooth Types on the Accuracy of Dental 3D Scanners: An In Vitro Study
title_sort effect of tooth types on the accuracy of dental 3d scanners an in vitro study
topic dental 3D scanner
accuracy
desktop scanner
intraoral scanner
tooth type
url https://www.mdpi.com/1996-1944/13/7/1744
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