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1.
Chinese Journal of Plastic Surgery ; (6): 9-13, 2018.
Article in Chinese | WPRIM | ID: wpr-805923

ABSTRACT

Objective@#To design the aesthetic new gonion and osteotomy line for patients with prominent mandibular angle patients using computer-aided techniques, and to investigate the application of three-dimensional digital planning in gonioplasty.@*Methods@#From April 2016 to April 2017, 14 female patients with prominent mandibular angle underwent preoperative surgical design and surgical simulation using digital technology. Gonioplasty was performed under the guide of surgical templates, preoperative, surgical simulation and postoperative data were measured including bilateral mandibular angles, the height of ramus(Co-Go) and the length of mandibular body(Go-Me). Paired t test was used to compare the differences between surgical simulation and postoperative measurements.@*Results@#Gonioplasty was performed in 14 patients successfully, and all were satisfied with their facial outcomes. The mandibular angle was improved from 113.86°±4.11° to 124.52°±1.26° on the left side, and 114.30°±4.01° to 124.29°±1.24° on the right side respectively. The average ratio of Go-Me/Co-Go was 2.011 on both sides after operation, which was very close to surgical planning. No significant differences were found between surgical planning and postoperative measurements with respect to mandibular angle or the ratio of Go-Me/Co-Go on both sides(P>0.05). The deviations between them were 1.00°±0.68° and 0.058±0.038 on the left side, and 0.85°±0.63° and 0.072±0.053 on the right side respectively.@*Conclusions@#Computer-assisted gonioplasty could improve the efficiency and accuracy of surgery, reduce the risk of surgical complications, and attain higher patients′ satisfaction.

2.
Chinese Journal of Plastic Surgery ; (6): 6-8, 2018.
Article in Chinese | WPRIM | ID: wpr-805922

ABSTRACT

Clinical application of imaging technology (e.g., CT, MRI and DSA) in craniomaxillofacial surgery, genetic detection and analysis, three-dimensional visualization of panoramic anatomy, rapid and accurate molding of craniofacial skeletal models, precise designing and manufacturing technology, intraoperative real-time navigation system, and the remote consultation system aided by information network technology effectively improve the diagnosis and treatment of craniomaxillofacial malformation.Application of rigid internal fixation improves the stability and accuracy of the fracture treatmentand osteotomy. With the research and application of distraction osteogenesis(DO) in craniomaxillofacial surgery, DO in Le Fort III osteotomy and treatment on hemifacialmicrosomiareduce postoperative recurrence significantly. The combination of craniomaxillofacial surgery and advanced technology of related medical and engineering disciplines has promoted the development of craniomaxillofacial surgery.

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