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    請使用永久網址來引用或連結此文件: http://libir.tmu.edu.tw/handle/987654321/60989


    題名: 奈米結構之處理技術應用於下顎組織與人工植入物介面力學行為之研究
    Enhancement of biomechanical behavior on osseointegration of temporomandibular joint implant with various novel surface modifications
    作者: 陳忠志
    Chen, Zhong-Zhi
    貢獻者: 數位口腔工程產業碩士專班
    林永和
    關鍵詞: 生物力學;噴砂處理;下顎植體;應力
    biomechanics;grit blast;TMJ implant;MAO;von Mises stress
    日期: 2016
    上傳時間: 2021-10-29 14:59:46 (UTC+8)
    摘要: The purpose of this study was to investigate stresses resulting from different thicknesses of grit blast (GB) and micro arc oxidized (MAO) treated layers at the interface between temporomandibular joint (TMJ) implants and bones using three-dimensional (3D) finite element models. For ensuring osseointegration of implant treatment, one must examine the stresses of interface between implant and bone tissue. Treated layers on TMJ implants are a very important factor in clinical application. Several studies have investigated finite element models for TMJs, but few have examined a model for TMJ implants with treated layers. In this study, TMJ models were reconstructed using computer tomography data, and the effects of treated layer thickness on the stress field during jaw movement were investigated; this index has not yet been reported with respect to TMJ implant. The maximum stresses in the bone occurred at the position of the first screw. Data analysis indicated a greater decrease in this stress in the case of using TMJ implants with MAO treated layers, and the stresses decreased with increasing layer thicknesses. Results confirmed that the treated layers improve biomechanical properties of the TMJ implants and release abnormal stress concentration in them. The results of our study offer the potential clinical benefit of inducing superior biomechanical behavior in TMJ implants.
    描述: 碩士
    指導教授:林永和
    資料類型: thesis
    顯示於類別:[數位口腔工程產業碩士專班] 博碩士論文

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