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学科主题口腔医学
Effects of Yb:KYW thin-disk femtosecond laser ablation on enamel surface roughness
Liu, Jing; Sun, Yuchun; Wang, Yong; Lu, Peijun1
关键词Femtosecond laser Enamel Surface roughness
刊名OPTICS AND LASER TECHNOLOGY
2014-07-01
DOI10.1016/j.optlastec.2013.12.004
59页:7-10
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Optics ; Physics, Applied
资助者National Science &amp ; Technology Pillar Program ; Beijing Nova Program ; National Science &amp ; Technology Pillar Program ; Beijing Nova Program
研究领域[WOS]Optics ; Physics
关键词[WOS]TOOTH PREPARATION ; ROTARY INSTRUMENTS ; DENTIN WETTABILITY ; RETENTION ; RESTORATIONS ; CEMENT ; CROWNS ; ACID ; BURS
英文摘要

This study aimed to quantitatively evaluate the surface roughness of enamel following ablation with a Yb:KYW thin-disk femtosecond pulsed laser at different fluences (F), scanning speeds and scanning line spacings. Thirty human extracted teeth were sectioned into crowns and roots along the cementum enamel junction, and then the crowns were cut longitudinally into sheets about 1.5 mm thick. The samples were randomly divided into ten groups (n=3). Samples of groups 1-8 were irradiated with a femtosecond pulsed laser. These enamel samples were fixed on a stage at focus plane, and a laser beam irradiated onto the samples through a galvanometric scanning system, with which rectangular movement could be achieved. Samples of groups 9 and 10 were prepared with grinding instruments. Following ablation and preparation, the samples were examined for surface roughness with a three-dimensional laser profile measurement microscope. The results showed that scanning speed and scanning line spacing had little influence on the surface roughness of femtosecond pulsed laserablated enamel, except when F=4 J/cm(2). When a lower fluence was used, the enamel surface roughness was higher, and vice versa. This study showed that various laser fluences, scanning speeds and scanning line spacings can affect and alter enamel surface roughness. Therefore, adequate parameters should be chosen to achieve the proper therapeutic benefits. (C) 2013 Elsevier Ltd. All rights reserved.

语种英语
所属项目编号2012BAI07B04 ; xxhz201301
资助者National Science &amp ; Technology Pillar Program ; Beijing Nova Program ; National Science &amp ; Technology Pillar Program ; Beijing Nova Program
WOS记录号WOS:000331918200002
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/61969
专题北京大学口腔医学院
作者单位1.Peking Univ, Sch & Hosp Stomatol, Ctr Digital Dent, Beijing 100081, Peoples R China
2.Natl Engn Lab Digital & Mat Technol Stomatol, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714
Liu, Jing,Sun, Yuchun,Wang, Yong,et al. Effects of Yb:KYW thin-disk femtosecond laser ablation on enamel surface roughness[J]. OPTICS AND LASER TECHNOLOGY,2014,59:7-10.
APA Liu, Jing,Sun, Yuchun,Wang, Yong,&Lu, Peijun.(2014).Effects of Yb:KYW thin-disk femtosecond laser ablation on enamel surface roughness.OPTICS AND LASER TECHNOLOGY,59,7-10.
MLA Liu, Jing,et al."Effects of Yb:KYW thin-disk femtosecond laser ablation on enamel surface roughness".OPTICS AND LASER TECHNOLOGY 59(2014):7-10.
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