Finite element analysis of different load mode on tooth movement for space closure in patient with bimaxillary protrusion | |
Zhang, X B; Yin, Y F; Yao, H M; Han, Y H; Wang, N; Ge, Z L | |
刊名 | 中华口腔医学杂志 |
2016-07 | |
卷号 | 51期号:7页码:415-419 |
关键词 | 有限元分析 正畸缺隙闭合 正畸矫正器设计 |
ISSN号 | 1002-0098 |
DOI | 10.3760/cma.j.issn.1002-0098.2016.07.008 |
其他题名 | 不同加载方式滑动法关闭双颌前突患者拔牙间隙的三维有限元分析 |
文献子类 | Article |
英文摘要 | OBJECTIVE: To investigate the stress distribution on the maxillary anterior teeth retracted with sliding mechanics and micro-implant anchorage using different retraction hook heights and positions.METHODS: DICOM image data including maxilla and upper teeth were obtained with cone-beam CT. The three-dimensional finite element model was constructed using Mimics software. Brackets and archwire model were constructed using Creo software. The models were instantiated using Pro/Engineer software. Abaqus software was used to simulate the sliding mechanics by loading 2 N force on 0, 2, 4, 6, 8, 10 mm retraction hooks and three different positions, repectively. Rotation of the occlusal plane, the initial displacement and stress distribution of teeth were analyzed.RESULTS: Lingual rotation of maxillary central incisor(0.021°), gingival movement of the maxillary first molar(0.005 mm), and clockwise rotation of the maxillary occlusal plane(0.012°) were observed when the force application point located at the archwire level (0 mm). In contrast, 0.235° labial rotation of the maxillary central incisor, 0.015 mm occlusal movement of the maxillary first molar, and 0.075° anti-clockwise rotation of the maxillary occlusal plane were observed when the force application point located at the higher level(10 mm retraction hook). The more the force application point was located posteriorly at the archwire level, the less lingual rotation of the maxillary central incisor and the more buccal displacement of maxillary first molar was observed.CONCLUSIONS: Maxillary anterior tooth rotation and retraction, vertical displacement of posterior segment, and rotation of the occlusal plane could be controlled by adjusting the height and position of the retraction hook in space closure using miniscrew and sliding mechanics. |
出版地 | BEIJING |
语种 | 中文 |
CSCD记录号 | CSCD:5742426 |
内容类型 | 期刊论文 |
源URL | [http://ir.lzu.edu.cn/handle/262010/179503] |
专题 | 口腔医学院_期刊论文 |
推荐引用方式 GB/T 7714 | Zhang, X B,Yin, Y F,Yao, H M,et al. Finite element analysis of different load mode on tooth movement for space closure in patient with bimaxillary protrusion[J]. 中华口腔医学杂志,2016,51(7):415-419. |
APA | Zhang, X B,Yin, Y F,Yao, H M,Han, Y H,Wang, N,&Ge, Z L.(2016).Finite element analysis of different load mode on tooth movement for space closure in patient with bimaxillary protrusion.中华口腔医学杂志,51(7),415-419. |
MLA | Zhang, X B,et al."Finite element analysis of different load mode on tooth movement for space closure in patient with bimaxillary protrusion".中华口腔医学杂志 51.7(2016):415-419. |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论