组织工程与重建外科杂志2018，Vol.14Issue(1)：11-16,6.DOI:10.3969/j.issn.1673-0364.2018.01.004
国产个性化3D打印全颞下颌关节生物力学分析
Biomechanical Analysis of Chinese Customized 3D-Printing Total Temporomandibular Joint Prostheses
摘要
Abstract
Objective To explore the stress and displacement distributions of the Chinese customized 3D-printing total temporomandibular joint prostheses,so as to optimize the design. Methods Three-dimensional (3D)model was established by Mimics 18.0.The Hypermesh and LS-DYNA softwares were used to establish the computer aided engineering(CAE)finite element model. The stress and displacement distributions of the jaw and the Chinese custom-made temporomandibular joint (TMJ)prosthesis were analyzed by loading maximal masticatory force on the model. Results The maximum contact force on the surface of UHMWPE was 495.7 N and the maximum bite force in the anterior teeth was 201.12 N. The largest displacement was in the condylar head, which was found to be 0.4152 mm. The maximum stress in the surface of UHMWPE was 20.66 MPa, slightly larger than the yield strength. The maximum stress in the mandibular component was located at the posterior surface of the condylar neck, reaching 122.1 MPa. Conclusion Despite the need for improvement in some details, the Chinese customized 3D-printing total TMJ prosthesis still exhibits good biomechanical properties with a promising future.关键词
全颞下颌关节假体/有限元分析/应力分布Key words
Total temporomandibular joint prostheses/Finite element analysis/Stress distribution分类
医药卫生引用本文复制引用
陈旭卓,周知航,王烨欣,郑吉驷,张善勇,杨驰..国产个性化3D打印全颞下颌关节生物力学分析[J].组织工程与重建外科杂志,2018,14(1):11-16,6.基金项目
上海市科委科技创新行动计划生物医药领域科技支撑项目(16441908800) （16441908800）
上海市卫生和计划生育委员会重点项目(201640001) （201640001）
上海市申康项目(16CR3104B). （16CR3104B）
