功能性鈦金屬植體之結構與機械性質分析

Research of microstructural characteristics and biomechanical behaviors on titanium implant

黃昱衡

型態 ； 牙科植體 ； 應力 ； morphologies ； dental implant ； stress

臺北醫學大學醫療器材產業碩士專班學位論文

2018年

碩士

林永和

繁體中文

隨著人類生活水準提昇、壽命延長以及現代健康意識的抬頭，對於醫療器材品質功效更為要求，理想的骨科及牙科生醫材料必須具有良好生物相容性、抗蝕性佳、化學穩定性良好、能與周圍組織穩固地結合以及優良的機械特性。目前所使用醫療器械、骨支撐固定支架、人工牙根、骨釘、骨板，仍以鈦金屬以及不銹鋼等金屬材料為主，其中又以鈦金屬最接近理想生醫材料之特性，因此骨科及牙科醫療器材多以鈦金屬及其合金所製成，而不需長期植入人體之醫療器械則以較廉價之不銹鋼材料為主，隨著電子與醫學科技發展，以及大眾對於醫療服務品質意識抬頭，『微創醫療』儼然成為現代醫學新趨勢。本研究以鈦金屬及其合金執行物化性質分析，並進一步觀察經表面處理後之鈦金屬顯微結構以及疲勞測試試驗，期望可對鈦金屬於醫學工程上之應用做出貢獻。

The aim of the present study was to investigate the morphologies material properties in the titanium metals. Three-dimensional (3-D) mandible models were reconstructed using computer tomography to simulate the electrosurgical procedure. The treated layer of dental implant is a very important factor in clinical application. Several studies have investigated finite element models for dental implants, but few have examined a model for devices with treated layers. Data indicated that the stress decreased significantly when implants with nanostructured thin films were used. Moreover, surface treatment created a relatively small stress compared with control groups. The present study reveals that the novel nanostructured thin film on dental substrates is an effective means of improving the performance of reducing excessive stress effect and uniformly distributing stress in the mandible. However, further tests in the animal model and clinical trial must be evaluated to confirm the effect and safety of promising findings in the implants.

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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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    連結：
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