Periodontitis associated bacteria in supragingival plaque of dental hygienists:: stability of carrier state and clinical development

被引:18
作者
Gmür, R
Marinello, CP
Guggenheim, B
机构
[1] Univ Zurich, Inst Oral Microbiol & Gen Immunol, CH-8028 Zurich, Switzerland
[2] Univ Basel, Clin Fixed & Removable Prosthodont, Basel, Switzerland
关键词
periodontitis; putative periodontal pathogens; microbial diagnosis; oral hygiene;
D O I
10.1046/j.0909-8836...x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The purpose of this study was the clinical and microbiological re-examination of dental hygienists, who, 30 months before, had shown remarkably high supragingival levels of periodontitis-associated micro-organisms. Interdental plaque was collected from the same molar sites and investigated by the same immunofluorescence assay with taxa-specific monoclonal antibodies as at the initial examination. On average, the 15 re-examined subjects showed slightly increased plaque levels but unchanged bleeding on probing scores (0.3-1.4). Pocket formation was restricted to a single subject. Prevotella intermedia/P. nigrescens and Peptostreptococcus micros were present in every plaque sample. Prevalences of Actinobacillus actinomycetemcomitans, Bacteroides forsythus and Campylobacter rectus were again between 20-40%, but some fluctuation within subjects was noted. The data confirm supragingival plaque as a natural habitat for periodontitis-associated bacteria in periodontially healthy persons, and indicate that colonization with A. actinomycetemcomitans, B, forsythus or C. rectus is mostly stable in spite of better than average personal plaque control.
引用
收藏
页码:225 / 228
页数:4
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