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| 研究生： |
李沛生 Pei-Sheng Lee |
|---|---|
| 論文名稱： |
植牙應力分析之驗證 Verification of Implant Stress Analysis |
| 指導教授： |
曾垂拱
Chwei-Goong Tseng |
| 口試委員: |
廖崇禮
Chung-Li Liao 石淦生 Kan-Sheng Shih |
| 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： | 2007 |
| 畢業學年度： | 95 |
| 語文別： | 中文 |
| 論文頁數： | 51 |
| 中文關鍵詞： | 應變規 、有限元素 、齒槽骨 、驗證 |
| 外文關鍵詞： | strain gage, Finite Element Method, alveolus bone, Verification. |
| 相關次數： | 點閱：193 下載：3 |
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為了讓牙醫師能更了解在進行植牙手術時齒槽骨的受力狀況，許多的情形都可用有限元素軟體進行模擬，得知植牙時對齒槽骨內的影響，讓植牙手術成功率能夠提升。
而有鑑於現在有限元素分析軟體越來越多，對於使用電腦模擬臨床的狀況，找出植牙系統對骨組織的應力影響已不是難事，可是在電腦模擬時許多條件都已做了簡化的動作，因此與臨床可能會有些差距，所以本研究依照實際的雙骨質齒槽骨製作出性質與實際相近的齒槽骨實體模型，並植入真實的人工牙根，再配合應變規法來做分析，同時用有限元素分析軟體以相同的情況來進行分析，最後將兩者的分析結果進行驗證與探討，相信將可增加在臨床上的參考價值。
In order to increase the probability of successful oral implantation computer simulation can be employed to analyze the loading situation of the alveolus bone after implantation. Finite Element Method is the most important computer software used to analyze the stress distribution over the alveolus under occlusion. However, during the FEM analysis, many conditions are simplified, the outcome of the analysis is needed to be verified by some experimental works. In this thesis, the alveolus bone was approached as a two-material model. The simulation model was fabricated by using various compositions of quartz powder and resin. The material constants (Modulus of Elasticity and Poisson’s Ration) of the model were determined experimentally. An implant was put 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 which had maximum stress was bonded a bi-axes strain gage. After the experiment, the measured strains were found agree well with those results from FEM.
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