| 镍铬合金氮化钛涂层对白色假丝酵母菌粘附性和耐腐蚀性影响的研究 |
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| 引用本文： | 李惠玲,高明英,杜华丽,陈婵娟,林映荷. 镍铬合金氮化钛涂层对白色假丝酵母菌粘附性和耐腐蚀性影响的研究[J]. 中国口腔种植学杂志, 2011, 16(2): 131-134 |
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| 作者姓名： | 李惠玲 高明英 杜华丽 陈婵娟 林映荷 |
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| 作者单位： | 1. 广东省珠海市第二人民医院口腔科,519020
2. 四川大学华西口腔医院修复科 |
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| 摘 要： | 目的:通过研究牙用镍铬合金表面氮化前后白色假丝酵母菌粘附量的变化和耐电化学腐蚀的变化为镍铬合金表面改性的应用提供理论基础。方法:采用真空镀膜技术在镍铬合金片表面沉积氮化钛薄膜,用菌落计数法测定和比较镀膜前后白色假丝酵母菌的粘附量有无差异;采用动电位极化曲线法,比较在PH6.8的人工唾液中,镍铬合金镀膜前后极化曲线的差异,应用场扫描电镜观测腐蚀后试件表面的破坏程度。结果:镍铬合金表面氮化后,白色假丝酵母菌粘附量明显减少,差别具有统计学意义;电化学实验显示,镀膜组极化曲线向正方向移位。结论:镍铬合金表面镀膜能抑制白色假丝酵母菌的粘附同时提高耐腐蚀性能。
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| 关 键 词： | 镍铬合金 氮化钛 菌落计数 极化曲线 扫描电镜 |
Effects of TiN coating on bacterial adhesion and corrosion resistance of dental Ni-Cr alloy |
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| LI Huiling,GAO Mingying,DU Huali,et al. Effects of TiN coating on bacterial adhesion and corrosion resistance of dental Ni-Cr alloy[J]. Chinese Journal of Oral Implantology, 2011, 16(2): 131-134 |
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| Authors: | LI Huiling GAO Mingying DU Huali et al |
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| Affiliation: | LI Huiling,GAO Mingying,DU Huali,et al Department of Stomatology,The Second People's Hospital of Zhuhai,Guangdong Province 519020 |
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| Abstract: | Objective:To study the effects of titanium nitride(TiN)coating on bacterial adhesion and corrosion resistance of dental Ni-Cr alloy,to provide a theoretical basis for the application of dental Ni-Cr alloy surface modification.Methods:TiN thin film is deposited on Ni-Cr alloy by ion-plating technology.Measured and compared amount of difference in adhesion of Candida albicans before and after the alloy surface coating by colony counting;The Tafel polarization curves of the specimen before and after coating Ti... |
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| Keywords: | nickel-chromium alloy titanium nitride colony counting polarization curves field emission scanning electron microscopy(FE-SEM) |
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