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. 2017 Sep 1;9(9):e1103-e1108.
doi: 10.4317/jced.54055. eCollection 2017 Sep.

Low-cost Method for Obtaining Medical Rapid Prototyping Using Desktop 3D printing: A Novel Technique for Mandibular Reconstruction Planning

Ignacio Velasco  1 , Soheil Vahdani  2 , Hector Ramos  3
Affiliations

Low-cost Method for Obtaining Medical Rapid Prototyping Using Desktop 3D printing: A Novel Technique for Mandibular Reconstruction Planning

Ignacio Velasco et al. J Clin Exp Dent. .

Abstract

Background: Three-dimensional (3D) printing is relatively a new technology with clinical applications, which enable us to create rapid accurate prototype of the selected anatomic region, making it possible to plan complex surgery and pre-bend hardware for individual surgical cases. This study aimed to express our experience with the use of medical rapid prototype (MRP) of the maxillofacial region created by desktop 3D printer and its application in maxillofacial reconstructive surgeries.

Material and methods: Three patients with benign mandible tumors were included in this study after obtaining informed consent. All patient's maxillofacial CT scan data was processed by segmentation and isolation software and mandible MRP was printed using our desktop 3D printer. These models were used for preoperative surgical planning and prebending of the reconstruction plate.

Conclusions: MRP created by desktop 3D printer is a cost-efficient, quick and easily produced appliance for the planning of reconstructive surgery. It can contribute in patient orientation and helping them in a better understanding of their condition and proposed surgical treatment. It helps surgeons for pre-operative planning in the resection or reconstruction cases and represent an excellent tool in academic setting for residents training. The pre-bended reconstruction plate based on MRP, resulted in decreased surgery time, cost and anesthesia risks on the patients. Key words:3D printing, medical modeling, rapid prototype, mandibular reconstruction, ameloblastoma.

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Conflict of interest statement

Conflict of interest statement:The authors declare that they have no conflict of interest.

Figures

Figure 1
Figure 1
3D Medical Rapid Prototype Design Process.
Figure 2
Figure 2
(A). Panorex x-ray showing a multilocular lesion, approximately 5.0 x 2.5 cm in size in the right mandible (B, C). MRP model created from patient DICOM data and reconstruction plate (2.7-mm mandible reconstruction plate (KLS Martin®, Jacksonville, FL, USA) prebended on its corresponding RMP. (D). Submandibular flap exposing the right mandible and tumor. (E, F) Postoperative panoramic and skull x-ray showing correct positioning of the reconstruction plate and mandibular symmetry.
Figure 3
Figure 3
(A) Panorex revealing a mixed multilocular lesion that was approximately 6 x 2 cm in size mainly in the right mandibular body. (B) MRP model created from patient DICOM and its corresponding prebended plate. (C) Submandibular flap with plate and bone graft in place. (D) Postoperative panorex showing correct positioning of the reconstruction plate.
See this image and copyright information in PMC

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