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牙颌面畸形正颌外科治疗需要根据畸形的情况、治疗的要求以及术前患者的生理、心理状态评估综合制定治疗方案。在术前必须对治疗方案、关系的调整、骨切开的部位、骨段移动的方向和距离经过精确的设计。正颌外科的术前设计包括头影描迹设计、预测,计算机辅助设计以及模型外科等。本文结合笔者的临床经验和国内外文献对牙颌面畸形正颌外科治疗的术前设计进行述评,强调了牙颌面畸形正颌外科手术方案的设计原则,提出了计算机辅助外科在正颌外科领域具有显著的优势和广阔的应用前景。
Dental and maxillofacial deformity orthognathic surgery needs to be based on the deformity of the situation, the treatment requirements and preoperative patients with physiological and psychological status assessment to develop a comprehensive treatment plan. Before surgery must be on the treatment options, adjust the relationship between the bone, the site of bone incision, the direction and distance of movement of the bone segment through the precise design. The preoperative design of orthognathic surgery includes cephalometric tracing, predicting, computer aided design and model surgery. Based on the author’s clinical experience and literature both at home and abroad, the author reviews the preoperative design of orthognathic surgery for dento-maxillofacial deformity, emphasizes the design principles of orthognathic surgical treatment of dento-maxillofacial deformity and puts forward the principle of computer-assisted surgery in orthognathic surgery The field has significant advantages and broad application prospects.