Medial pterygoid muscle and stylomandibular ligament: the effects on postoperative stability

被引:15
作者
Beukes, J. [1 ]
Reyneke, J. P. [1 ,2 ,3 ,4 ,5 ]
Becker, P. J. [6 ,7 ]
机构
[1] Sunninghill Hosp, Ctr Orthognath Surg & Implantol, Johannesburg, South Africa
[2] Univ Witwatersrand, Fac Hlth Sci, Dept Oral & Maxillofacial Surg, ZA-2050 Johannesburg, South Africa
[3] Univ Oklahoma, Dept Oral & Maxillofacial Surg, Oklahoma City, OK USA
[4] Univ Florida, Coll Dent, Dept Oral & Maxillofacial Surg, Gainesville, FL USA
[5] Univ Nacl Autonoma Mexico, VNAI Fac Dent, Dept Oral & Maxillofacial Surg, San Salvador, Mexico
[6] S African MRC, Biostat Unit, Pretoria, South Africa
[7] Univ Pretoria, Fac Hlth Sci, Div Clin Epidemiol, ZA-0002 Pretoria, South Africa
关键词
bilateral sagittal split osteotomy (BSSO); medial pterygoid muscle; stylomandibular ligament; skeletal stability; relapse; MANDIBULAR ADVANCEMENT SURGERY; SAGITTAL RAMUS OSTEOTOMY; RIGID INTERNAL-FIXATION; SKELETAL STABILITY; SPLIT OSTEOTOMY; RELAPSE; PROGNATHISM;
D O I
10.1016/j.ijom.2012.05.010
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The postoperative skeletal stability following surgical advancement of the mandible can be influenced by several factors. The effect of the medial pterygoid muscle and the stylomandibular ligament on the stability of results following surgical advancement has possibly been underestimated. In this retrospective study, the long-term postoperative skeletal stability following surgical advancement of the mandible in two groups of patients was studied and compared. In one group the medial pterygoid muscle and the stylomanclibular ligament were stripped from the medial side of the angle of the mandible during the bilateral sagittal split osteotomy (BSSO) procedure while for the other group of patients these muscles and ligaments were left attached. The long term skeletal stability of the two groups was compared and the group that had the muscles and the ligaments stripped proved to be more stable than the other group.
引用
收藏
页码:43 / 48
页数:6
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