Abstract：
This study aimed to compare the functional and esthetic results in patients following mandibular reconstruction with a free fibula flap (FFF) by virtual surgical planning (VSP) versus the conventional technique. Patients who had undergone mandibular reconstruction with a FFF by VSP or the conventional technique were retrospectively assessed. The two groups were compared regarding functional and esthetic variables with appropriate scales preoperatively, intraoperatively, and postoperatively. Twenty-four patients were evaluated in two groups: conventional (n = 8) and VSP (n = 16). The mean amount of mandibular asymmetry was 2.62 mm (SD = 1.59) in the conventional group and 1.19 mm (SD = 1.32) in the VSP group. Of the patients who underwent conventional surgery, 12.5% had mandibular asymmetry of <2 mm and 87.5% had asymmetry of 2-5 mm. Of the VSP patients, 61.5% had mandibular asymmetry of <2 mm and 38.5% had mandibular asymmetry of 2-5 mm (p = 0.03). The mean difference in size of mandibular angle on the surgical and control sides was not significantly different between the two groups (p = 0.62). The difference in mean length of the mandibular body on the surgical side relative to the control side was not significant between the two groups (p = 0.75). Differences in functional variables between the two groups were not significant. Within the limitation of the study, it seems that the VSP technique resulted in better facial symmetry and superior esthetic outcomes compared with the conventional technique.
摘要：
这项研究旨在比较通过虚拟手术计划（VSP）与常规技术使用游离腓骨皮瓣（FFF）进行下颌骨重建后患者的功能和美学结果。回顾性评估通过VSP或常规技术用FFF进行下颌骨重建的患者。术前比较两组在功能和美学变量方面的适当尺度，术中,和术后。对24例患者进行了评估，分为两组：常规（n=8）和VSP（n=16）。常规组下颌不对称性平均为2.62mm（SD=1.59），VSP组为1.19mm（SD=1.32）。在接受常规手术的患者中，12.5％的下颌不对称性<2mm，87.5％的下颌不对称性为2-5mm。在VSP患者中，61.5％的下颌不对称性<2mm，38.5％的下颌不对称性为2-5mm（p=0.03）。手术侧和对照侧下颌角大小的平均差异在两组之间没有显着差异（p=0.62）。两组之间手术侧下颌体相对于对照侧的平均长度差异不显着（p=0.75）。两组之间的功能变量差异不显著。在研究的限制范围内，与传统技术相比，VSP技术似乎具有更好的面部对称性和更好的美学效果。
