[1]何正娣,岛田康史,田上顺次,等.Er∶YAG激光切割对牙本质粘接耐久性的影响[J].深圳大学学报理工版,2017,34(1):1-7.[doi:10.3724/SP.J.1249.2017.01001]
 He Zhengdi,Shimada Yasushi,et al.Micro-shear bond durability to Er∶YAG lased dentin[J].Journal of Shenzhen University Science and Engineering,2017,34(1):1-7.[doi:10.3724/SP.J.1249.2017.01001]
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Er∶YAG激光切割对牙本质粘接耐久性的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第34卷
期数:
2017年第1期
页码:
1-7
栏目:
光电工程
出版日期:
2017-01-09

文章信息/Info

Title:
Micro-shear bond durability to Er∶YAG lased dentin
文章编号:
201701001
作者:
何正娣12岛田康史3田上顺次3胡学娟1陈玲玲1
1) 深圳大学光电工程学院, 广东深圳518060
2) 广东医学院附属深圳市南山区人民医院口腔科, 广东深圳 518052
3) 日本东京医科齿科大学大学院,日本东京113-8549
Author(s):
He Zhengdi1 2 Shimada Yasushi3 Tagami Junji3 Hu Xuejuan1 and Chen Lingling1
1) College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
2) Department of Stomatology, Guangdong Medical College affiliated Shenzhen Nanshan People Hospital, Shenzhen 518060, Guangdong Province, P.R.China
3) Graduate School, Tokyo Medical and Dental University, Tokyo 113-8549, Japan
关键词:
超快激光及应用Er∶YAG激光牙本质两步法自酸蚀剂粘接微剪切强度树脂
Keywords:
laser application Er∶YAG laser dentin 2-step self-etching adhesivebondingmicro-shear bond strength resin
分类号:
R 781.5
DOI:
10.3724/SP.J.1249.2017.01001
文献标志码:
A
摘要:
采用Er∶YAG激光或快机切割牙本质,SE Bond粘接修复后浸水6个月,用微剪切实验测试评估两种切割方法对粘接效果的影响.20颗离体磨牙制备获40片牙本质切片,随机分为激光组(Er∶YAG激光切割,20片)和快机组(#600沙砾磨砂纸打磨,20片).每切片用SE Bond粘接8个树脂柱,在浸水24 h、7 d和6个月后,依次用微剪切实验测试粘接强度.测试结果用one-way ANOVA和t-test统计分析(标准差为0.05).并采用走查扫描电镜观察粘接破折面形态.结果显示,激光切割牙本质粘接强度在浸水6个月后显著低于激光组浸水24 h和7 d后,且低于对照快机组的粘接强度.说明采用两步法自酸蚀粘接系统SE Bond在激光切割的牙本质上未获得长期稳定的粘接效果.
Abstract:
The purpose of this study was to investigate the micro-shear bond strength of SE Bond to Er:YAG laser irradiated or bur-cut dentin after immersion in water for 24 h, 7 d and 6 months, respectively. Forty dentin slices obtained from twenty extracted human molars were prepared and divided into two groups: twenty specimens for laser group and twenty specimens for bur group. The surfaces of dentin slices of twenty specimens were exposed to pulsed-laser-irradiation. The other twenty specimens were polished by 600-grit silicone paper. Applying SE Bond system, each prepared dentin surface was adhered to eight resin cylinders. The micro-shear bond strength tests were performed after the slices had been immersed in deionized water for 24 h, 7 d and 6 months, respectively. The bond strength results were statistically analyzed using one-way ANOVA and t-test at a significance level of 0.05. The bond strength results of lased dentin after 6-month immersion were significantly lower than those in other groups. The bond strength of SE Bond to Er:YAG lased dentin was significantly decreased in the long term. The conclusion can be used for the improvement in the method of lased dentin adhesive restorations.

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备注/Memo

备注/Memo:
Received:2016-09-08;Accepted:2016-10-27
Foundation:National Natural Science Foundation of China (61505112);Shenzhen Strategic New Industry Development Special Foundation (JCYJ20130402151227187) ; Shenzhen Nanshan Science and Technology Foundation (2015059)
Corresponding author:Associate Professor Chen Lingling. E-mail: l.chen10@szu.edu.cn
Citation:He Zhengdi, Shimada Yasushi, Tagami Junji, et al. Micro-shear bond durability to Er∶YAG lased dentin[J]. Journal of Shenzhen University Science and Engineering, 2017, 34(1): 1-7.(in Chinese)
基金项目:国家自然科学基金资助项目(61505112);深圳市战略新兴产业发展专项资金资助项目(JCYJ201304021512 27187); 深圳市南山区科技立项资助项目(南科研卫2015059)
作者简介:何正娣(1978—),深圳大学博士后研究人员,广东医学院附属深圳市南山区人民医院主治医师、讲师.研究方向:牙科粘接材料的理化性能研究.E-mail: miffy0122@qq.com
引文:何正娣,岛田康史,田上顺次,等.Er∶YAG激光切割对牙本质粘接耐久性的影响[J]. 深圳大学学报理工版,2017,34(1):1-7.
更新日期/Last Update: 2016-12-30