Evaluation of the Accuracy of Three-Dimensional Virtual Surgical Planning for Reconstruction of Mandibular Defects Using Free Fibular Flap

The Journal of Craniofacial Surgery
Ibrahim Mohamed ElsharabasyWael Mohamed Ayad

Abstract

Mandibular reconstruction is considered one of the most complex reconstructive surgeries in the field of craniomaxillofacial surgery. With the introduction of microvascular reconstructive surgery, free fibula flap become the gold standard for reconstruction of mandibular defects. For optimum restoration of the patient's esthetics and function, the free fibular flap should be recontoured to follow the natural premorbid state of the mandible. Virtual surgical planning using preoperative computed tomographic (CT) data can be rendered into 3-dimensional (3D) model for digitalized simulation of the bony resection and reconstruction with reported high accuracy. Ten patients were included in the study for delayed mandibular reconstruction using free fibular flap. For all the patients, preoperative CT scan for the skull and lower limbs were obtained and integrated into the software for virtual planning and guides fabrications. Postoperative CT was obtained and rendered 3D model to be superimposed on the preoperative record for assessment of the virtual planning accuracy by different linear and angular measurements. No statistically significant difference was found between virtual group and postoperative group where P = 0.067, regarding...Continue Reading

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