兰州大学机构库 >口腔医学院
Preparation of an orthodontic bracket coated with an nitrogen-doped TiO2-xNy thin film and examination of its antimicrobial performance
Cao, BC(曹宝成); Wang, YH(王育华); Li, N; Liu, B(刘斌); Zhang, YJ; Wang, YH (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, Dept Mat Sci, Lanzhou 730000, Peoples R China.
收录类别SCIE ; EI ; PubMed ; MEDLINE
2013-04
发表期刊DENTAL MATERIALS JOURNAL
卷号32期号:2页码:311-316
出版者JAPANESE SOC DENTAL MATERIALS DEVICES
出版地TOKYO
摘要A bracket coated with a nitrogen-doped (N-doped) TiO2-xNy thin film was prepared using the RF magnetron sputtering method. The physicochemical properties of the thin film were measured using X-ray diffraction and energy-dispersive X-ray spectrometry, while the antimicrobial activity of the bracket against common oral pathogenic microbes was assessed on the basis of colony counts. The rate of antimicrobial activity of the bracket coated with nano-TiO2-xNy thin film against Streptococcus mutans, Lactobacillus acidophilus, Actinomyces viscous, and Candida albicans was 95.19%, 91.00%, 69.44%, and 98.86%, respectively. Scanning electron microscopy showed that fewer microbes adhered to the surface of this newly designed bracket than to the surface of the normal edgewise bracket. The brackets coated with the N-doped TiO2-xNy thin film showed high antimicrobial and bacterial adhesive properties against normal oral pathogenic bacterial through visible light, which is effective in prevention of enamel demineralization and gingivitis in orthodontic patients.
关键词Nano- TiO2-xNy Bracket Antimicrobial activity
作者部门[Cao, Baocheng;
Li, Na;
Zhang, Yingjie] Lanzhou Univ, Sch Stomatol, Lanzhou 730000, Peoples R China;
[Wang, Yuhua;
Liu, Bin] Lanzhou Univ, Sch Phys Sci & Technol, Dept Mat Sci, Lanzhou 730000, Peoples R China
学科领域Dentistry, Oral Surgery & Medicine ; Materials Science
所属项目编号National Science Foundation for Distinguished Young Scholars [50925206] ; Ministry of Education, Chunhui Program [Z2008-1-62007] ; International Science & Technology Cooperation Foundation of Gansu Provincial [090WCGA903] ; Fundamental Research Funds for the Central Universities [lzujbky-2010-83]
资助项目国家杰出青年科学基金项目 ; 春晖计划 ; 中央高校基本科研业务费专项资金 ; 甘肃省国际科技合作计划
项目资助者NSFC ; MOE ; LZU ; GSSTD
DOI10.4012/dmj.2012-155
ISSN0287-4547
文章类型Article
语种英语
WOS记录号WOS:000323467400015
EI记录号20131516200337
PM记录号23538768
第一机构
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文献类型期刊论文
条目标识符http://ir.lzu.edu.cn/handle/262010/122106
Collection口腔医学院
通讯作者Wang, YH (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, Dept Mat Sci, Lanzhou 730000, Peoples R China.
Recommended Citation:
GB/T 7714
Cao, BC,Wang, YH,Li, N,et al. Preparation of an orthodontic bracket coated with an nitrogen-doped TiO2-xNy thin film and examination of its antimicrobial performance[J]. DENTAL MATERIALS JOURNAL,2013,32(2):311-316.
APA Cao, BC,Wang, YH,Li, N,Liu, B,Zhang, YJ,&Wang, YH .(2013).Preparation of an orthodontic bracket coated with an nitrogen-doped TiO2-xNy thin film and examination of its antimicrobial performance.DENTAL MATERIALS JOURNAL,32(2),311-316.
MLA Cao, BC,et al."Preparation of an orthodontic bracket coated with an nitrogen-doped TiO2-xNy thin film and examination of its antimicrobial performance".DENTAL MATERIALS JOURNAL 32.2(2013):311-316.
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