| Serotypes of Aggregatibacter actinomycetemcomitans in patients with different ethnic backgrounds. | |
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MedLine Citation:
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PMID: 19961385 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: The identification of Aggregatibacter actinomycetemcomitans (previously Actinobacillus actinomycetemcomitans) serotypes may add some important information to the understanding of the pathogenetic background of severe periodontal infections. This study compared serotypes of A. actinomycetemcomitans in two groups of periodontal patients with different ethnic backgrounds. METHODS: A total of 194 patients (96 Germans and 98 Koreans) with aggressive or severe chronic periodontitis participated in the study. Microbiologic analysis of pooled samples from subgingival plaque was performed by using a real-time polymerase chain reaction (PCR) test for A. actinomycetemcomitans. In patients who tested positive for A. actinomycetemcomitans, serotypes (a through f) were determined by nucleic acid-based methods. RESULTS: The prevalence of patients who tested positive for A. actinomycetemcomitans with the real-time PCR was comparable in both groups (Germans: 27.0%; Koreans: 22.2%). In German patients, the serotypes detected most frequently were b (33.3%), c (25.0%), and a (20.8%), whereas in Korean patients, the serotype distribution was different, with serotypes c (61.9%) and d (19.0%) accounting for >80% of the complete serotype spectrum. CONCLUSION: Even if the percentage of patients who tested positive for A. actinomycetemcomitans was identical in patients with generalized aggressive and severe chronic periodontitis and different ethnic backgrounds, the distribution of A. actinomycetemcomitans serotypes may exhibit marked differences. |
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Authors:
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Ti-Sun Kim; Patrick Frank; Peter Eickholz; Sigrun Eick; Chong Kwan Kim |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of periodontology Volume: 80 ISSN: 1943-3670 ISO Abbreviation: J. Periodontol. Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2009-12-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8000345 Medline TA: J Periodontol Country: United States |
Other Details:
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Languages: eng Pagination: 2020-7 Citation Subset: D; IM |
Affiliation:
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Section of Periodontology, Department of Operative Dentistry, University Hospital Heidelberg, Heidelberg, Germany. ti-sun_kim@med.uni-heidelberg.de |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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