Optimization and Innovative Design of Dental Implants under Dynamic Finite Element Analysis
Zhōngguó gōngchéng xuékān(2023)
摘要
Dental implants' usage life and strength are critical factors for implant patients. This paper examines the optimization of dental implant threads by modifying the C-Tech implant system model to ascertain thread design's impact on micromotion through finite element analysis (FEA). The fundamental measurements of the redesigned C-Tech implant system are established by dynamic (FEA). Six implant parameters are chosen as the control factors to be advanced. Experimental simulations are built using a uniform design (UD) method. The dynamic FEA tool ANSYS/LS-DYNA is utilized for each experimental simulation to identify the maximal micromotion in the modified C-Tech implant system. The optimum design model is acquired by minimizing the micromotion by applying the Kriging interpolation (KGI) and genetic algorithm (GA). The improved design has a micromotion of 12.19 & mu;m, as opposed to the original design's micromotion of 38.11 & mu;m. The improvement rate is 68.02%. Finally, the following innovative design is to add a secondary thread to the implant body. After conducting simulations, the micromotion is reduced to 4.72 & mu;m. Further, it shows a 61.28% improvement compared with the optimization design version and an 87.62% improvement compared with the primary implants.
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关键词
Hsiau,Shu-San,Jeng,Yeau-Ren,Modified C-Tech implant system,micromotion,uniform design,ANSYS,LS-DYNA
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