研究生: |
簡妥芸 Tuo-yun Jian |
---|---|
論文名稱: |
後牙區人工植牙之力學驗證 Mechanical Verification of Implant Restoration in the Posterior Region |
指導教授: |
曾垂拱
Chwei-Goong Tseng |
口試委員: |
石淦生
none 李維楨 Wei-Chen Lee |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2008 |
畢業學年度: | 96 |
語文別: | 中文 |
論文頁數: | 60 |
中文關鍵詞: | 應變規法 、有限元素法 、植牙 、齒槽骨 |
外文關鍵詞: | strain gage, Finite Element Method, alveolus bone, Implant |
相關次數: | 點閱:231 下載:4 |
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本文旨在製作雙骨質齒槽骨模型以模擬實際植牙狀態下皮質骨的受力情況,並量測此模型受力下之應變變化情形,以驗證有限元素法(Finite Element Method, FEM)數值分析之可靠性。
本研究首先根據實際的雙骨質齒槽骨幾何尺寸與材料性質,製作出近似實體之齒槽骨模型。在材料選擇上,吾人曾嘗試Bis-GMA及TEGDMA樹脂混入玻璃纖維、燒結LCP之塑膠粒、環氧樹脂混入氧化鋯粉與混入氧化鋁粉等製作方式。最後依嘗試結果,採用3M Z100光固化樹脂作為製作皮質骨的材料,而鬆質骨則使用環氧樹脂混入適量石英粉製成。待模型完成後,植入人工牙根、支台及齒冠,以模擬實際人工植牙手術的狀況,續配合應變規法進行受力分析,相同模型並以FEM分析以進行比對。比對結果,檢視皮質骨上選定點的縱向應變時,兩者數值相當吻合,證實數值模擬的分析應屬可信。
This thesis mainly fabricates an alveolus bone of two-material model to simulate the loading situation of the alveolus bone after implantation, and measures strain of the model under loading to verify the Finite Element Method analysis.
According to the real alveolus bone which contains the cortical bone and the cancellous bone, we establish a two-material model. In the model 3M Z100 light curing was used to replace the cortical bone and quartz powder and epoxy were used to replace the cancellous bone. The material constants (Modulus of Elasticity and Poisson’s Ration) of the model were determined experimentally. An implant was installed in the model as well as an abutment and a crown to simulate a real oral implantation. The complete model under occlusion was simulated by FEM. At the surface of the real model of the selected points were bonded bi-axes strain gages. After the experiment, the measured axial strains which under occlusion were found agree well with those results from FEM.
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