| 脉冲Nd:YAG激光照射牙硬组织后拉力实验 |
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| 引用本文： | 黄炜,许肖杰,朱建中,林斌,陈钰清,顾锡荣.脉冲Nd:YAG激光照射牙硬组织后拉力实验[J].中国激光医学杂志,2005,14(2):80-82. |
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| 作者姓名： | 黄炜 许肖杰 朱建中 林斌 陈钰清 顾锡荣 |
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| 作者单位： | 1. 浙江省人民医院,杭州市,310014
2. 浙江大学光电系,现代国家光学仪器国家重点实验室,国家光学仪器工程技术研究中心 |
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| 基金项目： | 浙江省自然科学基金资助项目(395167) |
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| 摘 要： | 目的研究不同能量和不同频率脉冲Nd:YAG激光照射牙表面后,牙齿与光敏树脂间的拉力大小。方法选择一致性较好的新鲜离体人牙,用高速转头制备各类洞型。然后分别用磷酸腐蚀和不同能量和频率的脉冲Nd:YAG激光进行照射,以光敏树脂进行光固化后做拉力实验并进行比较。结果脉冲Nd:YAG激光刻蚀人牙光固化树脂平均拉力68.9-75.5Kg/cm2,酸腐蚀光固化树脂平均拉力为20.6Kg/cm2,差异有显著意义(P<0.05)。结论用脉冲Nd:YAG激光照射代替磷酸进行牙齿表面处理可增加牙齿与光敏树脂间的粘结力。
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| 关 键 词： | 激光 牙齿硬组织 粘结力 |
| 文章编号： | 1003-9430(2005)02-0080-03 |
| 收稿时间： | 2004/3/9 |
| 修稿时间： | 2004年3月9日 |
The Bond Strength Experiment of Enamel and Dentin Exposed to Pulsed Nd :YAG Laser |
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| HUANG Wei,XU Xiao-jie,ZHU Jian-zhong,LIN Bin,CHEN Yu-qing,GU Xi-rong.The Bond Strength Experiment of Enamel and Dentin Exposed to Pulsed Nd :YAG Laser[J].Chinese Journal of Laser Medicine & Surgery,2005,14(2):80-82. |
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| Authors: | HUANG Wei XU Xiao-jie ZHU Jian-zhong LIN Bin CHEN Yu-qing GU Xi-rong |
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| Institution: | HUANG Wei,XU Xiao-jie,ZHU Jian-zhong,LIN Bin,CHEN Yu-qing,GU Xi-rong People's Hospital of ZheJiang Province,Hangzhou,Zhejiang 310014,China Optical Department of Zhejiang University,State Key Lab of Modern Optical Instrumentation,The National Centre of Engineering & Technology Research of Optical Instrument |
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| Abstract: | Objective To analyze the bond strength between photosensitive resin with enamel and dentin exposed to the pulsed Nd: YAG laser followed diverse energy and frequency. Methods The fresh ex vivo teeth with better concordance were selected and divided into 5 groups with same condition. All kinds of holes have been made with high speed wheel. Then the dentin were processed with phosphine acid and by pulsed laser-irradiation. The bond strength experiment could be done and analysed after light curing by photosensitive resin. Results The experiment has indicated the feasibility of pulsed Nd: YAG laser irritation to etch dentin. Compared with phosphine acid, the bond strength of the composite to enamel and dentin was stronger with given parameters. Conclusions Substituted phosphine acid with pulsed Nd: YAG laser irritation could increase the bond strength between photosersitive resin with enamel and dentin. |
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| Keywords: | Lasers Tooth hard tissue Binding-strength |
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