IR@PKUHSC  > 北京大学口腔医学院
学科主题口腔医学
Non-mutans streptococci in patients receiving radiotherapy in the head and neck area
Tong, HC; Gao, XJ; Dong, XZ
关键词High-caries-risk Individual Non-mutans Streptococci Radiotherapy
刊名CARIES RESEARCH
2003-07-01
DOI10.1159/000070686
37期:4页:261-266
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Dentistry, Oral Surgery & Medicine
研究领域[WOS]Dentistry, Oral Surgery & Medicine
关键词[WOS]DENTAL PLAQUE ; LOW-PH ; VIRIDANS STREPTOCOCCI ; CARIES ; RADIATION ; DYSFUNCTION ; MICROFLORA ; GORDONII ; SURFACES ; BACTERIA
英文摘要

Objective: To study mutans and non-mutans streptococci in patients after radiotherapy of the head and neck. Methods: Oral rinse samples collected from nasopharyngeal carcinoma patients before and after radiotherapy were diluted and cultured on nonselective and selective media for enumeration of total cultivable plaque flora, mutans and non-mutans streptococci and lactobacilli. Non-mutans streptococci were identified biochemically and by 16S rDNA sequence homology analysis. Results: After irradiation, mutans streptococci were not isolated; the levels of Streptococcus mitis and lactobacilli increased significantly. The level of Streptococcus salivarius increased, but the significance was the borderline. The level of Streptococcus sanguis decreased significantly after irradiation. The abundance of other oral streptococci species showed no significant changes. Conclusions: S. mitis and S. salivarius are the predominant non-mutans streptococci in the high-caries-risk oral flora following radiotherapy. Copyright (C) 2003 S. Karger AG, Basel.

语种英语
WOS记录号WOS:000183482800004
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/54966
Collection北京大学口腔医学院
作者单位1.Peking Univ, Sch Stomatol, Dept Cariol Endodontol & Operat Dent, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Inst Microbiol, State Key Lab Microbial Resources, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Tong, HC,Gao, XJ,Dong, XZ. Non-mutans streptococci in patients receiving radiotherapy in the head and neck area[J]. CARIES RESEARCH,2003,37(4):261-266.
APA Tong, HC,Gao, XJ,&Dong, XZ.(2003).Non-mutans streptococci in patients receiving radiotherapy in the head and neck area.CARIES RESEARCH,37(4),261-266.
MLA Tong, HC,et al."Non-mutans streptococci in patients receiving radiotherapy in the head and neck area".CARIES RESEARCH 37.4(2003):261-266.
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