The accuracy of three-dimensional fused deposition modeling (FDM) compared with three-dimensional CT-Scans on the measurement of the mandibular ramus vertical length, gonion-menton length, and gonial angle

1st Physics and Technologies in Medicine and Dentistry Symposium

物理学;医药卫生

Savitri, I.T.^1 ; Badri, C.^2 ; Sulistyani, L.D.^1

Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia^1

Biomedic Technology Postgraduate Program, Universitas Indonesia, Jakarta, Indonesia^2

关键词: Clinical application;    Cranio-maxillofacial surgery;    Craniomaxillofacial;    Freeform fabrication;    Fused deposition modeling;    Measurements of;    Oral and maxillofacial surgeries;    Treatment planning;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/884/1/012050/pdf
DOI  :  10.1088/1742-6596/884/1/012050

学科分类：卫生学

来源: IOP

【 摘 要 】

Presurgical treatment planning plays an important role in the reconstruction and correction of defects in the craniomaxillofacial region. The advance of solid freeform fabrication techniques has significantly improved the process of preparing a biomodel using computer-aided design and data from medical imaging. Many factors are implicated in the accuracy of the 3D model. To determine the accuracy of three-dimensional fused deposition modeling (FDM) models compared with three-dimensional CT scans in the measurement of the mandibular ramus vertical length, gonion-menton length, and gonial angle. Eight 3D models were produced from the CT scan data (DICOM file) of eight patients at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Indonesia, Cipto Mangunkusumo Hospital. Three measurements were done three times by two examiners. The measurements of the 3D CT scans were made using OsiriX software, while the measurements of the 3D models were made using a digital caliper and goniometry. The measurement results were then compared. There is no significant difference between the measurements of the mandibular ramus vertical length, gonion-menton length, and gonial angle using 3D CT scans and FDM 3D models. FDM 3D models are considered accurate and are acceptable for clinical applications in dental and craniomaxillofacial surgery.