Nordin T, Nyström E, Rosenquist J, Astrand P
Department of Oral Surgery, University of Umeå, Sweden.
J Craniomaxillofac Surg. 1987 Oct;15(5):233-7. doi: 10.1016/s1010-5182(87)80059-8.
The clinical results of oblique sliding (subcondylar) osteotomy of the mandibular rami performed by the extraoral or intraoral approach were compared. The patient material comprised 40 patients with mandibular prognathism. Twenty patients were operated upon using the extraoral approach and 20 patients were operated on using the intraoral approach. All patients had intermaxillary fixation for 7 weeks. The patients in both groups were followed up for 18 months. The experience of the operations was that the intraoral approach gave a shorter operation time than the extraoral approach. The extraoral approach, however, gave better visibility in the operation field and greater possibilities of manipulating the proximal fragment into an optimal position. In the follow-up evaluation, there were no significant differences between the two surgical techniques with regard to dental relapse, post-operative occlusion and mandibular function.
比较了经口外或口内入路进行下颌支斜行滑动（髁突下）截骨术的临床结果。患者资料包括40例下颌前突患者。20例患者采用口外入路手术，20例患者采用口内入路手术。所有患者均进行了7周的颌间固定。两组患者均随访18个月。手术经验是，口内入路的手术时间比口外入路短。然而，口外入路在手术视野中具有更好的可视性，并且将近心骨段调整到最佳位置的可能性更大。在随访评估中，两种手术技术在牙齿复发、术后咬合和下颌功能方面没有显著差异。
