Park H S, Ellis E, Fonseca R J, Reynolds S T, Mayo K H
Department of Oral and Maxillofacial Surgery, University of Michigan, Ann Arbor.
Oral Surg Oral Med Oral Pathol. 1989 May;67(5):481-9. doi: 10.1016/0030-4220(89)90261-2.
This study examined the immediate and postsurgical changes in the hard and soft tissues of the chin after advancement genioplasty by means of oblique osteotomy of the mandibular symphysis. Twenty-three patients who had undergone this procedure were evaluated cephalometrically for up to 6 months after surgery. The results indicated that the position of the genial segment is stable after advancement. There was a good correlation between the amount of hard versus soft tissue change with surgery in the horizontal direction but a poor correlation in the vertical plane. There was, however, a great amount of variability from one patient to the next in most of the variables examined. Follow-up results were generally very stable.
本研究通过下颌骨联合部斜行截骨术，观察颏成形术前行进后颏部软硬组织的即时及术后变化。对23例行该手术的患者术后长达6个月进行了头影测量评估。结果表明，行进后颏部节段位置稳定。手术在水平方向上，硬组织与软组织变化量之间存在良好相关性，但在垂直平面上相关性较差。然而，在所检查的大多数变量中，患者之间存在很大差异。随访结果总体非常稳定。
