Ramesh Babu V, Vinod Narayanan, Murugesan K
Department of Oral and Maxillo facial Surgery, Saveetha Dental College & Hospitals, Chennai 600 077.
Indian J Dent Res. 2005 Oct-Dec;16(4):147-50. doi: 10.4103/0970-9290.29906.
Treatment of dentofacial deformities with jaw osteotomies has an effect on airway anatomy and therefore mandibular setback surgery has the potential to diminish airway size. The purpose of this study was to evaluate the effect of mandibular setback surgery on airway size. 8 consecutive patients were examined prospectively. All patients underwent mandibular setback surgery. Cephalometric analysis was performed preoperatively and 3 months post operatively with particular attention to pharyngeal airway changes. Pharyngeal airway size decreased considerably in all, patients thus predisposing to development of obstructive sleep apnea. Therefore, large anteroposterior discrepancies should be corrected by combined maxillary and mandibular osteotomies.
采用颌骨截骨术治疗牙颌面畸形会对气道解剖结构产生影响，因此下颌后缩手术有可能减小气道尺寸。本研究的目的是评估下颌后缩手术对气道尺寸的影响。对8例连续患者进行了前瞻性检查。所有患者均接受了下颌后缩手术。术前及术后3个月进行头影测量分析，特别关注咽气道的变化。所有患者的咽气道尺寸均显著减小，从而易导致阻塞性睡眠呼吸暂停的发生。因此，较大的前后径差异应通过上颌和下颌联合截骨术进行矫正。
