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经长期观察研究表明,正颌外科手术后颜面及下颌功能并非都获得全面改善。本文就正颌外科手术后颞颌关节运动范围、咀嚼肌功能改变、(牙合)力改善、以及颞下颌关节的解剖位置变化等作了客观的评价。
After long-term observation studies have shown that not all facial and mandibular function after orthognathic surgery have been fully improved. This article objectively evaluates the range of motion of the temporomandibular joint, the change of masticatory muscle function, the improvement of occlusal force and the anatomical position of temporomandibular joint after orthognathic surgery.