临床口腔医学杂志2013，Vol.29Issue(3)：140-143,4.DOI:10.3969/j.issn.1003-1634.2013.03.005
微波二次烧结牙科纳米氧化锆全瓷材料的实验研究
Study on microwave of twice sintered nano-meter zirconia ceramic for dental use
摘要
Abstract
Objective:To study the influence of microwave twice sintering method on the sintering property. Vickers hardness and microstucture of nano-meter zirconia ceramic for dental use. Method: 30 samples were randomly divided equally into two groups. Group one was sintered by manufacturers recommend conventional second-time sintering process. Group two was sintered by microwave second-time sintering process. After sintering, six samples from each group were used for measuring sintered density. The other six samples were used for measuring the Vickers hardness. And the rest three samples from each group were scanned by scanning electron microscopy. Result: The sintered density and Vickers hardness of the microwave sintered dental nano-zirconia were superior to the conventional group. There were significant differences (P <0.05). The crystal granules of microwave second—time sintered nano—zirconia were closely spaced,and they are smaller than the conventional sintered group. Conclusion: Part of the mechanical properties of nano-zircinia sintered by microwave second-time sintered were superior to the conventional sintered. The results suggest that microwave second-time sintering process could be applied to the secone-time sintering of dental nano-zirconia to shorten sintering time.关键词
微波/二次烧结/牙科纳米氧化锆Key words
microwave/ second-time sintering/ nano-meter zirconia分类
医药卫生引用本文复制引用
黎松龄,苏晓晖,吴丽艳,韦赞军..微波二次烧结牙科纳米氧化锆全瓷材料的实验研究[J].临床口腔医学杂志,2013,29(3):140-143,4.基金项目
广西教育厅科研资助项目(201012MS047) （201012MS047）
