The Application of mixed reality and 3D printing in the treatment of long-standing zygomatic orbital complex fracture

doi:10.19438/j.cjoms.2020.06.008

Abstract

Abstract: PURPOSE: To investigate the effect of mixed reality (MR) and 3D printing in the treatment of long-standing zygomatic orbital complex fracture. METHODS: Eight cases with long-standing zygomatic fracture were operated based on MR and 3D printing technology. CT data were imported into the computer medical image processing software for fracture segmentation, virtual reduction, 3D printing of fracture reduction model. During operation, titanium plate rigid internal fixation, MR accurate verification and positioning were performed. Facial shape and symmetry were compared and observed on the healthy side after operation. The difference of protrusion and height of bilateral zygoma before and after operation was compared by t test with SPSS 22.0 software package. RESULTS: Mouth opening and masticatory function of the patients returned to normal after operation. The wounds healed at one stage without bleeding and infection. The two sides of the face, the protrusion and height of the bilateral zygoma were the same. The difference of protrusion and height of the zygoma before and after operation were (9.82±1.11) mm, (1.12±0.48) mm and (10.19±1.01) mm, (1.13±0.42) mm, respectively. The difference was statistically significant compared with that before operation (t=24.77, P<0.05; t=24.68, P<0.05). CONCLUSIONS: MR and 3D printing technology can effectively restore the shape of the middle face and masticatory function, achieve accurate and personalized treatment, and provide a new way for clinical diagnosis and treatment.

Key words: Mixed reality, 3D printing, Long-standing zygomatic orbital complex fracture

CLC Number:

R782

LYU Ji-lian, ZHAO Yuan, CAI Xiao-qing, ZHANG Rui. The Application of mixed reality and 3D printing in the treatment of long-standing zygomatic orbital complex fracture[J]. China Journal of Oral and Maxillofacial Surgery, 2020, 18(6): 512-515.

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