Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study

The printing accuracy of three-dimensional (3D) dental models using photopolymer resin affects dental diagnostic procedures and prostheses. The accuracy of research into the outer wall thickness and printing direction data for partial-arch model printing has been insufficient. This study analyzed th...

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Autores principales:	Seung-Ho Shin, Jae-Sung Kwon, June-Sung Shim, Jong-Eun Kim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	3D printing CAD/CAM additive manufacture hollow model internal structure trueness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/7f7051852d48484cb915d91f1a32aa3d
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spelling	oai:doaj.org-article:7f7051852d48484cb915d91f1a32aa3d2021-11-25T18:13:08ZEvaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study10.3390/ma142267341996-1944https://doaj.org/article/7f7051852d48484cb915d91f1a32aa3d2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6734https://doaj.org/toc/1996-1944The printing accuracy of three-dimensional (3D) dental models using photopolymer resin affects dental diagnostic procedures and prostheses. The accuracy of research into the outer wall thickness and printing direction data for partial-arch model printing has been insufficient. This study analyzed the effects of wall thickness and printing direction accuracy. Anterior and posterior partial-arch models were designed with different outer wall thicknesses. After 3D printing, a trueness analysis was performed. Those with full-arch models were the control group. The full-arch model had an error value of 73.60 ± 2.61 µm (mean ± standard deviation). The error values for the partial-arch models with 1-, 2-, and 3-mm thick outer walls were 54.80 ± 5.34, 47.58 ± 7.59, and 42.25 ± 9.19 μm, respectively, and that for the fully filled model was 38.20 ± 4.63 μm. The printing accuracies differed significantly between 0 degrees and 60 degrees, at 49.54 ± 8.16 and 40.66 ± 6.80 μm, respectively (F = 153.121, <i>p</i> < 0.001). In conclusion, the trueness of the partial-arch model was better than that of the full-arch model, and models with thick outer walls at 60 degrees were highly accurate.Seung-Ho ShinJae-Sung KwonJune-Sung ShimJong-Eun KimMDPI AGarticle3D printingCAD/CAMadditive manufacturehollow modelinternal structuretruenessTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6734, p 6734 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	3D printing CAD/CAM additive manufacture hollow model internal structure trueness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	3D printing CAD/CAM additive manufacture hollow model internal structure trueness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Seung-Ho Shin Jae-Sung Kwon June-Sung Shim Jong-Eun Kim Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
description	The printing accuracy of three-dimensional (3D) dental models using photopolymer resin affects dental diagnostic procedures and prostheses. The accuracy of research into the outer wall thickness and printing direction data for partial-arch model printing has been insufficient. This study analyzed the effects of wall thickness and printing direction accuracy. Anterior and posterior partial-arch models were designed with different outer wall thicknesses. After 3D printing, a trueness analysis was performed. Those with full-arch models were the control group. The full-arch model had an error value of 73.60 ± 2.61 µm (mean ± standard deviation). The error values for the partial-arch models with 1-, 2-, and 3-mm thick outer walls were 54.80 ± 5.34, 47.58 ± 7.59, and 42.25 ± 9.19 μm, respectively, and that for the fully filled model was 38.20 ± 4.63 μm. The printing accuracies differed significantly between 0 degrees and 60 degrees, at 49.54 ± 8.16 and 40.66 ± 6.80 μm, respectively (F = 153.121, <i>p</i> < 0.001). In conclusion, the trueness of the partial-arch model was better than that of the full-arch model, and models with thick outer walls at 60 degrees were highly accurate.
format	article
author	Seung-Ho Shin Jae-Sung Kwon June-Sung Shim Jong-Eun Kim
author_facet	Seung-Ho Shin Jae-Sung Kwon June-Sung Shim Jong-Eun Kim
author_sort	Seung-Ho Shin
title	Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
title_short	Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
title_full	Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
title_fullStr	Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
title_full_unstemmed	Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study
title_sort	evaluating the three-dimensional printing accuracy of partial-arch models according to outer wall thickness: an in vitro study
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7f7051852d48484cb915d91f1a32aa3d
work_keys_str_mv	AT seunghoshin evaluatingthethreedimensionalprintingaccuracyofpartialarchmodelsaccordingtoouterwallthicknessaninvitrostudy AT jaesungkwon evaluatingthethreedimensionalprintingaccuracyofpartialarchmodelsaccordingtoouterwallthicknessaninvitrostudy AT junesungshim evaluatingthethreedimensionalprintingaccuracyofpartialarchmodelsaccordingtoouterwallthicknessaninvitrostudy AT jongeunkim evaluatingthethreedimensionalprintingaccuracyofpartialarchmodelsaccordingtoouterwallthicknessaninvitrostudy
_version_	1718411447015309312

Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study

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