Maxillofacial Plastic and Reconstructive Surgery

  • Volume 42
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  • Pages.24.1-24.7
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  • 2020
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  • 2288-8101(pISSN)
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  • 2288-8586(eISSN)
Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
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Utilization of desktop 3D printer-fabricated "Cost-Effective" 3D models in orthognathic surgery

  • Narita, Masato (Department of Oral and Maxillofacial Surgery, Tokyo Dental College) ;
  • Takaki, Takashi (Department of Oral and Maxillofacial Surgery, Tokyo Dental College) ;
  • Shibahara, Takahiko (Department of Oral and Maxillofacial Surgery, Tokyo Dental College) ;
  • Iwamoto, Masashi (Department of Oral Pathobiological Science and Surgery, Tokyo Dental College) ;
  • Yakushiji, Takashi (Oral and Maxillofacial Surgery, National Hospital Organization Takasaki General Medical Center) ;
  • Kamio, Takashi (Department of Oral and Maxillofacial Radiology, The Nippon Dental University)
  • Received : 2020.06.05
  • Accepted : 2020.07.15
  • Published : 2020.12.31
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Abstract

Background: In daily practice, three-dimensional patient-specific jawbone models (3D models) are a useful tool in surgical planning and simulation, resident training, patient education, and communication between the physicians in charge. The progressive improvements of the hardware and software have made it easy to obtain 3D models. Recently, in the field of oral and maxillofacial surgery, there are many reports on the benefits of 3D models. We introduced a desktop 3D printer in our department, and after a prolonged struggle, we successfully constructed an environment for the "in-house" fabrication of the previously outsourced 3D models that were initially outsourced. Through various efforts, it is now possible to supply inexpensive 3D models stably, and thus ensure safety and precision in surgeries. We report the cases in which inexpensive 3D models were used for orthodontic surgical simulation and discuss the surgical outcomes. Review: We explained the specific CT scanning considerations for 3D printing, 3D printing failures, and how to deal with them. We also used 3D models fabricated in our system to determine the contribution to the surgery. Based on the surgical outcomes of the two operators, we compared the operating time and the amount of bleeding for 25 patients who underwent surgery using a 3D model in preoperative simulations and 20 patients without using a 3D model. There was a statistically significant difference in the operating time between the two groups. Conclusions: In this article, we present, with surgical examples, our in-house practice of 3D simulation at low costs, the reality of 3D model fabrication, problems to be resolved, and some future prospects.

Keywords

Acknowledgement

We would like to thank Editage (www.editage.com) for English language editing in 2020.

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