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本文对五例下颌侧(牙合)前突畸形采用手术矫治,取得良好效果,报告如下。 例1 男,35岁,因下颌严重侧(牙合)前突于1983年5月入院。检查:下颌中线左偏0.6cm,颏部左偏1.5cm,反覆(牙合)1cm,超(牙合)1cm,后牙近中错(牙合),66缺失。X线测量:SNA角为89°,面角123°,颌凸角-41°;轴角50°,SNB角108°,ANB角-16°,下颌长度14.8cm,上下中切牙角163°,MPA角14°,下中切牙—下颌平面角68°,下中切牙-眼耳平面角95°。手术:选择双侧下颌体部梯形截骨术,截骨量右大于左。右侧上底颊侧宽为1.4cm,舌侧宽为1.1cm;下底颊侧宽为2.9cm,舌侧宽2.6
In this paper, five cases of mandibular (ankle) anterior deformity by surgical correction, and achieved good results, the report is as follows. Example 1 Male, 35 years old, admitted to hospital in May 1983 due to severe mandibular protrusion of the mandible. Check: left mandibular left deviation 0.6cm, chin left deviation 1.5cm, repeated (occlusion) 1cm, super occlusion 1cm, posterior teeth near the wrong (occlusion), 66 missing. X-ray measurements: SNA angle of 89 °, face angle of 123 °, jaw angle -41 °; shaft angle of 50 °, SNB angle of 108 °, ANB angle -16 °, mandibular length of 14.8cm, upper and lower incisors angle of 163 ° , MPA angle 14 °, lower incisor-mandibular plane angle 68 °, lower incisor-ear plane angle 95 °. Surgery: Select the bilateral mandibular body trapezoidal osteotomy, osteotomy right greater than the left. On the right side of the buccal side of the width of 1.4cm, lingual width of 1.1cm; lower buccal width of 2.9cm, lingual width 2.6