Trueness of cone-beam computed tomography-derived skull models fabricated by different technology-based three-dimensional printers

BMC Oral Health

Research

Eleonora Ferraris¹  Eman Shaheen²  Reinhilde Jacobs³  Xiaotong Wang⁴  Sohaib Shujaat⁵ 

[1] Department of Mechanical Engineering, KU Leuven Campus De Nayer, Jan Pieter de Nayerlaan 5, 2860, Sint-Katelijne-Waver, Belgium;OMFS-IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 33, 3000, Leuven, Belgium;OMFS-IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 33, 3000, Leuven, Belgium;Department of Dental Medicine, Karolinska Institutet, Alfred Nobels allé 8, 141 52, Huddinge, Sweden;OMFS-IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 33, 3000, Leuven, Belgium;Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Harbin Medical University, Youzheng Street 23, 150001, Nangang, Harbin, China;OMFS-IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven & Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 33, 3000, Leuven, Belgium;King Abdullah International Medical Research Center, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Kingdom of Saudi Arabia, 14611, Riyadh, Saudi Arabia;

关键词: Printing, three-dimensional;    Computer-aided design;    Dimensional measurement accuracy;    Tomography;    Skull;   

DOI  :  10.1186/s12903-023-03104-w

 received in 2023-02-08, accepted in 2023-06-04,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundThree-dimensional (3D) printing is a novel innovation in the field of craniomaxillofacial surgery, however, a lack of evidence exists related to the comparison of the trueness of skull models fabricated using different technology-based printers belonging to different cost segments.MethodsA study was performed to investigate the trueness of cone-beam computed tomography-derived skull models fabricated using different technology based on low-, medium-, and high-cost 3D printers. Following the segmentation of a patient’s skull, the model was printed by: (i) a low-cost fused filament fabrication printer; (ii) a medium-cost stereolithography printer; and (iii) a high-cost material jetting printer. The fabricated models were later scanned by industrial computed tomography and superimposed onto the original reference virtual model by applying surface-based registration. A part comparison color-coded analysis was conducted for assessing the difference between the reference and scanned models. A one-way analysis of variance (ANOVA) with Bonferroni correction was applied for statistical analysis.ResultsThe model printed with the low-cost fused filament fabrication printer showed the highest mean absolute error (1.33±0.24mm\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$1.33\pm 0.24 \text{mm}$$\end{document}), whereas both medium-cost stereolithography-based and the high-cost material jetting models had an overall similar dimensional error of 0.07±0.03mm\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$0.07\pm 0.03 \text{mm}$$\end{document} and 0.07±0.01mm\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$0.07\pm 0.01 \text{mm}$$\end{document}, respectively. Overall, the models printed with medium- and high-cost printers showed a significantly (p<0.01\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$p<0.01$$\end{document}) lower error compared to the low-cost printer.ConclusionsBoth stereolithography and material jetting based printers, belonging to the medium- and high-cost market segment, were able to replicate the skeletal anatomy with optimal trueness, which might be suitable for patient-specific treatment planning tasks in craniomaxillofacial surgery. In contrast, the low-cost fused filament fabrication printer could serve as a cost-effective alternative for anatomical education, and/or patient communication.

【 授权许可】

CC BY   
© The Author(s) 2023

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