[...]... Implant Dentistry, Shandong Provincial Hospital, Jinan, China ^ Graduate Institute of Medical Materials and Engineering Taipei Medical University, Taipei, Taiwan, China ^ School of Dentistry, Taipei Medical University, Taipei, Taiwan, China ^ Dqjartment of Mechanical Engineering National University of Sing^ore, Singapore ^ School of Dentistry, Sichuan University, Chengdu, China 3 1 Introduction Althou^... varied chewing patterns and loads Biomechanically, the following component interfaces can be found in the Branemark implant: (1) fixture-abutment interface; (2) abutment screw-abutment interface; (3) gpld cylinder-abutment interface; (4) gold retaining screw-gold cylinder interface; (5) gold retaining screw-abutment screw interface Long term screw joint integrity at the fixture-abutment screw joint and abutment-gold... the Finite Element Method in Implant Dentistry segmented co-polymers with bone-bonding C2^acity Meijer, et alF investigated the influence of a three-layered flexible coating of Polyactive on bone stress distribution using three-dimensional FEA in a mandibular model In the case of sagittal and transversal loading, the use of a Polyactive coating reduced both the minimum principal stress in the bone and. .. Medicine, Zhejiang University, Hangzhou, China Yong Zhao School of Dentistry, Sichuan University, Chengdu, China 4 Finite Element Modelling in Implant Dentistry Jianping Geng^, Weiqi Yan^, Wei Xu^, Keson B C Tan^, Haw-Ming Huang^, Sheng-Yang Lee^, Huazi Xu^, Linbang Huang^, Jing Chen^ ^'^ Clinical Research Institute, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China. .. maximum torque to be introduced on the shank of the screw'^ Several authors^^"^^ have drawn attention to the fact that repeated loading and unloading cycles result in alternating contact and separation of components Clinical findings of screw loosening and failure probably result from these separation events and from elevated strains in the screw Another mechanism of screw loosening is based on the... cable elements and compressive gap elements respectively It was concluded that cable and gap elements could be used to set boundary conditions in their mandibular FEA model, improving the model mimicry and accuracy E)q)anding the domain of the model can reduce the influence of inaccurate modelling of the boundary conditions This however, will be at the e)q)ense of computing and modelling time (Fig 4.5)... be applied in modelling more realistical bone geometry; the anisotropic and nonhomogenous nature of materials need to be considered; and boundary conditions have to be carefully 4 Finite Element Modelling in Implant Dentistry 89 treated using computational modelling techniques In addition, modelling of the boneimplant interface should incorporate the actual osseointegration contact area in cortical... Shandong Provincial Hospital, Jinan, China Quan -Sheng Ma Haw -Ming Huang Graduate Institute of Medical Materials & Engineering, Taipei Medical University, Taipei, Taiwan, China Horn -Lay Wang School of Dentistry, University of Michigan, Ann Arbor, USA Huazi Xu Orthopedic Department, Second Affiliated Hospital, Wenzhou Medical College, Wenzhou, China Jason Huijun Wang Worley Advanced Analysis (Sing^ore),... Contributors Bin Deng Department of Mechanical Engineering National University of Singapore, Singapore Jianping Geng Clinical Research Institute, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China N Krishnamurthy Sheng -Yang Lee Consultant, Structures, Safety, and Computer Applications, Sin^ore School of Dentistry, Taipei Medical University, Taipei, Taiwan, China Department... smaller and simpler domains (elements) where field variables can be interpolated using shape functions An overall approximated solution to the original problem is determined based on variational principles In other words, FEA is a method whereby, instead of seeking a solution function for the entire domain, it formulates solution functions for each finite element and combines them properly to obtain a . alt="" ADVANCED TOPICS IN SCIENCE AND TECHNOLOGY IN CHINA ADVANCED TOPICS IN SCIENCE AND TECHNOLOGY IN CHINA Zhejiang University is one of the leading. universities in China. In Advanced Topics in Science and Technology in China, Zhejiang University Press and Springer jointly pubHsh monographs by Chinese scholars