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《Journal of Clinical Stomatology》 2014-10
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Mandibular first molar adjacent tooth surface defects of pile nuclear crown three-dimensional finite element stress analysis

CHEN Qi-lin;LI-Juan;YAN-Yan;CHEN Ji-hua;WU Wei;MA Guo-ping;Department of Stomatology,Taihe Hospital,Hubei University of Medcine;Stomatological College,Fouth Mititary Medical University;Zhoupu Hospital of Shanghai Pudong New Area;  
Objective:the application of three dimensional finite element analysis of mandibular first molar mesial adjacent tooth surface defect situations different quantity,different position when the fiber pile nuclear crown prosthesis stress of the dentin. Method:use the method of grouping almost lateral root of tongue were used respectively to a tube into the fiber pile;Mesial buccal lateral root tube into the fiber pile one;Near your tongue and buccal tube into the fiber pile one;Root canal without a fiber post implantation;Adopt resin nuclear and cobalt chromium alloy PFM crown restoration. Test under the condition of the vertical force or 45° teeth under the load von mises stress and the maximum tensile stress of the peak. Result:as the change of root pile number,A- on residual dentine between group D Von mises stress,the maximum tensile stress of the stress peak value. Root pile nuclear stress at 45° direction loading were greater than the vertical direction,which has significant difference(P 0.05). Should be sought to show tooth neck stress slightly higher,other parts of the stress value is small,distribution more uniform,present a low stress distribution on the root tube wall condition;45°tooth resultant force loading compared with vertical load,the stress increased obviously. Conclusion:the tooth body strength with the rest of the tooth body is close to the organization,the remaining tooth tissue is less,its stress is larger,the possibility of a fractured tooth,the greater the clinically on the premise of pile nuclear strength enough,should be kept as much as possible healthy tooth tissues,root canal expanded,less as far as possible to reduce the root stress of the pipe wall,reduce the chance of root fracture. In the repair process should try to reduce the lateral force,USES the appropriate reduce the tooth tip Angle,the grinding tooth to tooth too steep method such as tooth tip,in order to reduce the lateral force of tooth tooth stress size and distribution,the influence of the fractured tooth to reduce the risk and increase the service life of the restoration.
【Fund】: 上海市浦东新区卫生系统重点学科建设项目资助(PWZxk2010--12);; 十堰市科技局科技研发项目(ZD2011019);; 湖北省科技厅面上项目(2012FFB3902)
【CateGory Index】: R783.3
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 CHEN Qi-lin;HU Xiao-li;YAN Yan;WU Wei;MA Guo-ping;Department of Stomatology,Taihe Hospital,Hubei University of Medcine;Zhoupu Hospital,Pudong New District,Shanghai;;The Establishment of Three-dimensional Finite Element Models of Fiber Post-core Crown with Different Types of Mandibular Molars Defects[J];Journal of Hubei University of Medicine;2014-03
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 HE Yan1,LI Xiao-zhi1,CHEN Zhi-xiong2,ZENG Ming-hui1,YANG Guang-yin1,WANG Han-si1(1.Department of Stomatology,First Affiliated Hospital of Chongqing Medical University,Chongqing 400016,China;2.Department of Civil Engineering,Chongqing University,Chongqing 400045);3D-Nurbs in establishment of three-dimensional finite element model of maxillary anterior dentition segment[J];Academic Journal of Second Military Medical University;2007-10
2 YAN Gong-xing,LIU Zhan-fang(Faculty of Engineering Mechanics,Chongqing University,Chongqing 400030,China);Finite element analysis on submaxilla anterior guidance subjected to Forsus and optimal angle of orthopedic force[J];Acta Academiae Medicinae Militaris Tertiae;2009-19
3 YANG Ping~1, ZHANG Shao-Feng~1, LIU Ji-Peng~2, ZHOU Bing~1, MENG Qing-Yan~1, GAO Jing~1~1Department of Prosthodontics, College of Stomatology, Fourth Military Medical University, Xi'an 710033, China, ~2Institute of Electronic Engineering, Xi'an 710100, China;Construction of a three-dimensional finite element analysis model of mandi-bular molars with Amira,UG and ALGOR softwares[J];Journal of the Fourth Military Medical University;2007-09
4 CHEN Ya-dong;MA Guo-qiang;SHANG De-hao;WANG Wan-shan;School of Mechanical Engineering & Automation,Northeastern University;Hospital of Storatology,China Medical University;;Biomechanical Analysis of Mandible Based on ABAQUS[J];Journal of Northeastern University(Natural Science);2014-03
5 ZHANG Jun1, WANG Xu-xia1, MA Shi-liang2, BU Jie1, REN Xu-sheng1. (1. Dept. of Orthodontics, School of Stomatology, Shandong University, Jinan 250012, China;2. Dept. of Orthodontics, School of Stomatology, Binzhou Medical College, Binzhou 256603, China);3-dimensional finite element analysis of periodontal stress distribution when impacted teeth are tracted[J];West China Journal of Stomatology;2008-01
6 LIU Chang1,2,ZHU Xian-chun1,ZHANG Xing3,TAI Yin-xia1,YAN Sen1.(1.Dept.of Orthodontics,Stomatological Hospital of Jilin University,Changchun 130021,China;2.Dept.of Orthodontics,Changchun Stomatological Hospital,Changchun 130000,China;3.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China);Sutural physical model building in the three-dimensional finite-element model of maxillofacial bones[J];West China Journal of Stomatology;2011-01
7 YI Li1,ZHANG Na1,ZHAO Shou-liang2,WANG Sheng-chao1,TANG Rong-yin1,SUN Lin1 (1.College of Stomatology,the Fourth Military Medical University,Xi'an 710032,Shaanxi,China;2.School of Stomatology,TongJi University);Establishment of the three-dimensional finite element model of the first permanent mandibular molar[J];Chinese Journal of Aesthetic Medicine;2007-04
8 LI Jiujun;ZHANG Jing;Department of Orthodontics,Anyang Stomatological Hospital of Henan Province;;Construction of three-dimensional finite element model of straight wire appliance for mandibular dentition[J];Stomatology;2013-10
9 CHEN Fang;ZHAO Bai-song;ZHANG Xue-jing;Department of Prosthodontics,the affiliated hospital of Zunyi Medical College;;The clinical analysis of the fracture of root repaired by post-core-crown technique[J];Jilin Medical Journal;2014-07
10 CHEN Tielou;LIU Guoqin;ZHAO Haijun;ZHANG Xinhai;LUAN Wei;JI Qiujie;LIU Jin;CHEN Jun;ZHANG Qingfu;JIN Jing;Department of Periodontal,Oral Research Center of CPLA,Hospital 411 of CPLA;;Effects and strategy of periodontal therapy on different margin levels of residual tooth[J];Stomatology;2014-10
【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
1 YAN Li-jin, LIU Hong-chen, BAI Lu, WANG Yan-rong. (Department of stomatology, General Hospital of PLA.Beijing. China 100853);Construction of the three-dimensional finite element model of the mandibular FPD[J];Chinese Journal of Prosthodontics;2002-03
2 WANG Ning, LUO Xiao-ping, YU Chang-lu, ZHANG Jie, QIAN Dong-dong.(Department of Prosthodontics, Stomatological Hospital Affiliated to Medical School of Nanjing University, Nanjing 210008,China);Clinical applications of D T Light fiber post and resin core system[J];Stomatology;2005-03
3 LU Xin-hua, LING Jun-qi, CAI Bin, LIU Yao-peng. (Guanghua School of Stomatology Sun Yat-sen University, GuangDong,510060, China);Three-dimensional finite element analysis of lower cuspid[J];Chinese Journal of Geriatric Dentistry;2003-04
4 ZHANG Tong, LIU Hongchen, WANG Yanrong, et al. Department of Stomatology, General Hospital of PLA, Beijing 100853, China;The construction of three-dimensional finite element model of human maxillary complex[J];CHINESE JOURNAL OF STOMATOLOGY;2000-05
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