| 调合法消毒对超硬石膏模型的强度和精度的影响 |
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| 引用本文： | 刘冠花,马昕,余占海,任俊芳,曲文俊.调合法消毒对超硬石膏模型的强度和精度的影响[J].第四军医大学学报,2009(21):2444-2446. |
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| 作者姓名： | 刘冠花 马昕 余占海 任俊芳 曲文俊 |
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| 作者单位： | 兰州大学口腔医学院;兰州军区总医院口腔科;中国科学院兰州分院化学物理研究所; |
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| 摘 要： | 目的：研究调合法消毒对石膏模型抗弯强度,抗压强度和尺寸精度的影响.方法：实验组分别采用20g/L戊二醛、1g/L碘伏、5g/L84消毒液和对照组采用蒸馏水调拌超硬石膏粉制成长方体样品和上颌牙弓测量样品,用万能试验机测试其强度,用测量显微镜测量样品的长度,所得数据进行统计学处理.结果：采用的不同消毒液制取的超硬石膏试件,其压缩强度,弯曲强度及尺寸方面未出现明显的不同（P〉0.05）.结论：采用实验所选的消毒液调拌超硬石膏粉对超硬石膏的抗压强度,抗弯强度及精度无明显影响.
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| 关 键 词： | 超硬石膏 压缩强度 弯曲强度 尺寸精度 |
Influence on the intensity and accuracy of superhard gypsum powder mixed with disinfectant |
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| LIU Guan-Hua,MA Xin,YU Zhan-Hai,REN Jun-Fang,QU Wen-JunSchool of Stomatology,Lanzhou University.Influence on the intensity and accuracy of superhard gypsum powder mixed with disinfectant[J].Journal of the Fourth Military Medical University,2009(21):2444-2446. |
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| Authors: | LIU Guan-Hua MA Xin YU Zhan-Hai REN Jun-Fang QU Wen-JunSchool of Stomatology Lanzhou University |
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| Affiliation: | LIU Guan-Hua1,2,MA Xin1,YU Zhan-Hai1,REN Jun-Fang3,QU Wen-Jun31School of Stomatology,Lanzhou University,2Department of Stomatology,Lanzhou General Hospital,3Institute of Chemistry and Physics,Lanzhou Branch,Chinese Academy of Sciences,Lanzhou 730050,China |
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| Abstract: | AIM:To study the influence on dimensional accuracy,the bending and compressive intensity of superhard gypsum powder mixed with disinfectant. METHODS:The experimental group adopted 20 g/L Wu dialdehyde,1 g/L iodine,5 g/L 84 disinfectant respectively and the Control group adopted the distilled water tune to mix superhard gypsum powder to manufacture the rectangular parallelepiped sample and upper jaw dental arch survey samples.The intensity was tested by omnipotent testing machine and samples length was measu... |
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| Keywords: | superhard gypsum compressive intensity bending intensity dimensional accuracy |
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