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Title: Three-Dimensional Computed Tomography Analysis of Stability Following Two- and Three-Point Fixation With Biodegradable Plates Among Patients With Zygomatic Fracture. Author: Na WG, Lim H, Koh SH. Journal: J Craniofac Surg; 2019; 30(2):478-482. PubMed ID: 30640856. Abstract: BACKGROUND: Open reduction followed by internal fixation has been regarded as the most effective technique for the surgical repair of zygomatic fractures. However, the ideal number and locations of internal fixation points to maintain stable reduction remain controversial. Using 3-dimensional computed tomography, we aimed to compare the stability of 2-point and 3-point fixation among patients who had undergone surgical repair of zygomatic bone fractures. METHODS: The study included 22 patients (17 men, 5 women) with unilateral zygomatic bone fractures who had undergone open reduction with 2-point or three-point fixation using biodegradable materials (11 patients in each group). The authors measured the lateral projection and height of the zygoma at 2 landmark points (zygomaticofacial foramen and frontozygomatic suture). In each group, bony displacement was analyzed between the preoperative and immediate postoperative phases, and between the preoperative and follow-up phases. Differences in stability between the 2 groups were analyzed by comparing values between the immediate postoperative and follow-up phases. RESULTS: The 2-point group exhibited a lower rate of complex fractures at the frontozygomatic suture than the 3-point group (18.2%, 63.6%, respectively). In both groups, the authors observed significant differences in the lateral projection of the zygomaticofacial foramen between the preoperative and immediate postoperative phases, and between the preoperative and follow-up phases. No significant differences in stability were observed between the groups. CONCLUSION: Our findings demonstrated that 2-point fixation of the zygoma with biodegradable materials is as stable as 3-point fixation. It could be initially considered when open reduction of frontozygomatic suture was not essential.[Abstract] [Full Text] [Related] [New Search]