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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| Veröffentlicht in: | Materials 2021-11, Vol.14 (22), p.6734 |
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| 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, p < 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. |
| doi_str_mv | 10.3390/ma14226734 |
| format | Article |
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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, p < 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.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma14226734</identifier><identifier>PMID: 34832136</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>3-D printers ; Accuracy ; Dental materials ; Design ; Manufacturing ; Model accuracy ; Photopolymers ; Prostheses ; Scanners ; Software ; Three dimensional models ; Three dimensional printing ; Wall thickness ; Walls</subject><ispartof>Materials, 2021-11, Vol.14 (22), p.6734</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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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, p < 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.</description><subject>3-D printers</subject><subject>Accuracy</subject><subject>Dental materials</subject><subject>Design</subject><subject>Manufacturing</subject><subject>Model accuracy</subject><subject>Photopolymers</subject><subject>Prostheses</subject><subject>Scanners</subject><subject>Software</subject><subject>Three dimensional models</subject><subject>Three dimensional printing</subject><subject>Wall thickness</subject><subject>Walls</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkV9rFTEQxYMotlz74icI-CLCtvm32cQH4VKrLVRasOpjyE1me1OzSZvsFu5LP7vb26K283IGzo8zwwxCbynZ51yTg8FSwZjsuHiBdqnWsqFaiJf_9Ttor9YrMhfnVDH9Gu1woTijXO6iu6NbGyc7hnSJxzXgi3UBaD6HAVINOdmIz0tIW3vp3FSs2-Dc43NbxmBjsyxujb9lD7He-7n4bVDGZ9MIBf-yMc6Rwf1OUOtHvEz4JOGfYSwZfx8nv3mDXvU2Vth71AX68eXo4vC4OT37enK4PG2cEHpsetf6VvmOcq9cu_KzaqadUEJLypnzXvecWCKt9Ep7kMC7tl11DjRY0gJfoE8PudfTagDvII3FRnNdwmDLxmQbzFMnhbW5zLdGSdaqecYCvX8MKPlmgjqaIVQHMdoEeaqGSSIIo6rrZvTdM_QqT2U-5Zaaz641ZTP14YFyJddaoP-7DCXm_rPm32f5H_dslWA</recordid><startdate>20211109</startdate><enddate>20211109</enddate><creator>Shin, Seung-Ho</creator><creator>Kwon, Jae-Sung</creator><creator>Shim, June-Sung</creator><creator>Kim, Jong-Eun</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-9803-7730</orcidid><orcidid>https://orcid.org/0000-0002-7834-2524</orcidid><orcidid>https://orcid.org/0000-0002-4612-3458</orcidid><orcidid>https://orcid.org/0000-0003-1428-0122</orcidid></search><sort><creationdate>20211109</creationdate><title>Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study</title><author>Shin, Seung-Ho ; 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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, p < 0.001). 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| subjects | 3-D printers Accuracy Dental materials Design Manufacturing Model accuracy Photopolymers Prostheses Scanners Software Three dimensional models Three dimensional printing Wall thickness Walls |
| title | Evaluating the Three-Dimensional Printing Accuracy of Partial-Arch Models According to Outer Wall Thickness: An In Vitro Study |
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