华西口腔医学杂志2011，Vol.29Issue(2)：220-222,3.DOI:10.3969/j.issn.1000-1182.2011.02.030
有限元法探讨犬下颌单侧不全截骨牵张时非牵张侧位移趋势
Discussing displacemental trend on nontractional side of canine mandible with finite element method when distraction osteogenesis with unilateral incomplete osteotomy
摘要
Abstract
Objective To discuss the trend of displacement on the side of nondistraction when distraction oateoge nesis with unilateral incomplete osteotomy of canine mandible. Methods The method of finite element analysis was used to simulate distraction osteogenesis with unilateral incomplete osteotomy and the displacement of six marked point such as the temporomandibular joint and the angle of mandible and coracoid process and teeth were observed on nondis tractional side when the transport disc was distracted with a distance and without a distance. Results When the trans port disc was distracted without a distance, the Von Mises stress was 0 in the six marked point of noncdisractiona] side and their displacement in 3 dimensions (X, Y, Z axis) was O. When the transport disc was distracted with 1 mm width, all marked point had some displacement. Conclusion When distracted and observed from the side of distraction, the mandible at the side of nondistractian has the trend of contrarotation round the center of the transverse ridge mid point of condyle process on the plane of sagittal, whereas it has the trend of parallel movement approximately in the direction of opposite side on the plane of coronary.关键词
牵张成骨/不全截骨法/有限元法分类
医药卫生引用本文复制引用
刘雪梅,李岩峰,胡敏,张建强,刘斌,范丽娜..有限元法探讨犬下颌单侧不全截骨牵张时非牵张侧位移趋势[J].华西口腔医学杂志,2011,29(2):220-222,3.基金项目
国家自然科学基金资助项目(30801299) （30801299）
北京市科技新星基金资助项目(2009A40) （2009A40）
中国博士后基金资助项目(20090450261) （20090450261）
