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- W2972931382 abstract "Introduction: Mandibular deformity can be caused by congenital anomalies, trauma and tumors ect. leading to impairment of aesthetic and function such as communication, swallowing and mastication.To assess the clinical value of the computer-assisted design and computer-assisted manufactured(CAD/CAM) technology and evaluate the clinical experience of manufactured artificial bone precision to repair the mandibular asymmetrical deformity. Methods: From July 2013 to August 2016, computer-assisted 3D printing technology was applied in 72 patients with mandibular asymmetrical deformity in Craniofacial Department, Ninth People’s Hospital,Shanghai Jiao Tong University School of Medicine. The measurement data was conducted and compared with three-dimensional CT result during the 6months of follow-up. To evaluate the effectiveness of the surgery, the distance between the corresponding three anatomical points on the mandible to the mid-sagittal plane were measured and compared by asymmetic ratio Q value and the patients satisfaction survey was carried out. The measurements of mean discrepancy of corresponding three anatomical points between the virtual design and post operative CT during the 6 months of follow up. Results: The patients’ mandibular asymmetry was improved, the asymmetrical ratio Q value decreases from 13.57%±8.73% to 9.01%±8.18% (P<0.001) with high patients’ satisfaction score (score=4.78, Score 5=Completely satisfied). The mean deviation of the preoperative design and postoperative CT was 1.43±0.12mm, basically similar with the preoperative simulation. Pre-designed implant also decreased the intraoperative time with the mean value of 2.15±0.27 h.All patients were treated successfully without serious complications. Conclusion: Three-dimensional design of patients’ specific artificial bone implant in repair of mandibular asymmetrical deformity is a valuable technology, by relying on quantitative design and preoperative simulation using the customized CAD/CAM technology, making the complex reconstruction simple and improve the accuracy of surgery,ultimately improve the facial symmetry. The patients showed high satisfaction rate with low surgical complications and long-term efficacy." @default.
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- W2972931382 date "2019-08-01" @default.
- W2972931382 modified "2023-10-16" @default.
- W2972931382 title "S11B-10 SESSION 11B" @default.
- W2972931382 doi "https://doi.org/10.1097/01.gox.0000583672.11549.1d" @default.
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