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学科主题口腔医学
Design and finite element analysis of a novel sliding rod microscrew implantation device for mandibular prognathism
Li, Yanfeng1; Lv, Yuan2; Lu, Yongjin3; Zeng, Pan3; Zeng, Xianglong4; Guo, Xiaoqian1; Han, Weili1
关键词Mandibular Prognathism Molar Distalization Microscrew Finite Element Analysis
刊名INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE
2015
8期:7页:10687-10695
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medicine, Research & Experimental
资助者PLA General Hospital ; Capital&prime ; s Special Health Development Research ; PLA General Hospital ; Capital&prime ; s Special Health Development Research
研究领域[WOS]Research & Experimental Medicine
关键词[WOS]DISTALIZATION ; ARCH
英文摘要

Tooth distalization is an effective approach for mandibular prognathism. Current distalization devices are bulky and clinically complicated. Here, we designed a novel molar distalization device by using a sliding rod and a microscrew and performed a mechanical analysis and finite element model (FEM) analysis of force distribution and displacement of the upper canine, first and second premolar and first molar. A 2D FEM was constructed using the Beam3 element and a 3D FEM was constructed of the mandibular teeth, the periodontal membrane, and the alveolar bones using the UG software. The upper first molar was divided into 12 points on the dental surface to facilitate stress analysis. Force analysis using the ANSYS WORKBECNH revealed that, both horizontally and vertically, the traction force causing distalization of the first molar decreased when the spring coil moved down the L shaped sliding rod. The 3D FEM force analysis revealed distomedial displacement of the upper first molar when the sliding rod microscrew implantation device caused distalization of the molar. These findings support further exploration for the use of the sliding rod microscrew implants as an anchorage for group distal movement of the teeth of patients with mandibular prognathism.

语种英语
所属项目编号2014FC-SXYY-1003 ; 2014-4-5022
资助者PLA General Hospital ; Capital&prime ; s Special Health Development Research ; PLA General Hospital ; Capital&prime ; s Special Health Development Research
WOS记录号WOS:000361557500047
引用统计
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/53463
专题北京大学口腔医学院_牙周科
作者单位1.Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
2.Peoples Liberat Army Gen Hosp, Affiliated Hosp 1, Dept Stomatol, Beijing, Peoples R China
3.Liaoning Med Univ, Peoples Liberat Army Gen Hosp, Affiliated Hosp 1, Liaoning, Peoples R China
4.Peking Univ, Sch Stomatol, Dept Orthodont, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Li, Yanfeng,Lv, Yuan,Lu, Yongjin,et al. Design and finite element analysis of a novel sliding rod microscrew implantation device for mandibular prognathism[J]. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE,2015,8(7):10687-10695.
APA Li, Yanfeng.,Lv, Yuan.,Lu, Yongjin.,Zeng, Pan.,Zeng, Xianglong.,...&Han, Weili.(2015).Design and finite element analysis of a novel sliding rod microscrew implantation device for mandibular prognathism.INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE,8(7),10687-10695.
MLA Li, Yanfeng,et al."Design and finite element analysis of a novel sliding rod microscrew implantation device for mandibular prognathism".INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE 8.7(2015):10687-10695.
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