BEHAVIOR OF THE MAXILLA IN VERTICAL MOVEMENTS AFTER LE-FORT-I OSTEOTOMY

被引:62
作者
HEDEMARK, A [1 ]
FREIHOFER, HP [1 ]
机构
[1] UNIV HOSP ZURICH,MAXILLOFACIAL SURG CLIN,CH-8028 ZURICH,SWITZERLAND
来源
JOURNAL OF MAXILLOFACIAL SURGERY | 1978年 / 6卷 / 04期
关键词
Follow-up; Le Fort I osteotomy; Vertical displacement;
D O I
10.1016/S0301-0503(78)80100-3
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
In 15 cases of ordinary Le Fort I osteotomy with simultaneous vertical displacement, the behaviour of the maxilla in respect to vertical movement was examined. It was observed that out of 12 maxilla which had been tilted downwards, 10 moved upwards again. One maxilla remained stable and another one moved further downwards. Of 3 cases with upward movement, two remained stable whereas one moved further upwards. Therefore, the authors conclude that the downward displacement especially is unstable and that one has either to overcorrect or search for possibilities of stabilization other than wiring suspension. Since these movements occur during postoperative intermaxillary fixation, no occlusal changes are observed. © 1978 Georg Thieme Publishers.
引用
收藏
页码:244 / 249
页数:6
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