CONTROL OF VERTICAL DIMENSION DURING MAXILLARY ORTHOGNATHIC SURGERY - A CLINICAL-TRIAL COMPARING INTERNAL AND EXTERNAL FIXED REFERENCE POINTS

被引:35
|
作者
FERGUSON, JW
LUYK, NH
机构
[1] Division of Oral and Maxillofacial Surgery, Department of Oral Medicine and Oral Surgery, University of Otago, Dunedin
来源
JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY | 1992年 / 20卷 / 08期
关键词
LE-FORT-I OSTEOTOMY; MAXILLARY OSTEOTOMY; PREDICTION;
D O I
10.1016/S1010-5182(05)80360-9
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The accuracy of vertical control during maxillary orthognathic surgery was assessed in 45 patients, comparing the use of traditional internal measurements across the osteotomy lines (15 subjects) with measurements between the incisor teeth and an external reference point consisting of a bone screw placed at nasion (two groups of 15 subjects each). Although use of a fixed external reference point can significantly decrease positioning error (p < 0.001), considerable care is required during application of rigid fixation to maintain the correct vertical dimension.
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页码:333 / 336
页数:4
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