Three-dimensional Finite Element Analysis of Short Implant Supported Mandibular Second Molar with Dramatically Absorbed Alveolar Bone

doi:10.13701/j.cnki.kqyxyj.2019.03.013

Abstract

Abstract: Objective: To lay a theoretic basis for the application of short implant supporting the mandibular second molar with dramatically absorbed alveolar bone. Methods: Based on the image data, six models with different ways of restoration were created. Vertical load of 150N was applied on the prosthesis. The displacement of implant and the stress and strain of bone were compared. Results: Compared with long implant models, the short implant model shown the lower displacement of implant, the lower stress of cortical bone, and the higher stress of spongious bone. The maximum displacement of implant, the stress of cortical bone, and the stress of spongious bone decreased as the crown diameter decreased. Conclusion: From a biomechanical point of view, it can be concluded that the use of short implant to support the mandibular second molar with dramatically absorbed alveolar bone is a reliable treatment option.

Key words: Short implants, Stress, Strain, Finite element analysis

CHEN Jun-liang, LIU Xu-lin, ZHANG Xiao-yue, TIAN Xin, HE Yun. Three-dimensional Finite Element Analysis of Short Implant Supported Mandibular Second Molar with Dramatically Absorbed Alveolar Bone[J]. Journal of Oral Science Research, 2019, 35(3): 246-250.

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