Actinobacillus actinomycetemcomitans and Porphyromonas gingivalis in young Chinese adults.
作者： A. Mombelli , R. Gmür , J. Frey , J. Meyer , K. Y. Zee
DOI: 10.1111/J.1399-302X.1998.TB00701.X
关键词:
摘要: The aim of this study was to determine the presence or absence Actinobacillus actinomycetemcomitans and Porphyromonas gingivalis in young Chinese adults examine A. isolates from positive subjects with regard serotype distribution, leukotoxin gene lktA promoter for operon as well incidence phage Aa phi 23. Sixty subjects, working a knitting factory Province Guangzhou, People's Republic China, were investigated. Subgingival microbial samples taken both upper first molars. They cultured anaerobically 5% CO2. P. found 33 subjects. On average, it constituted 7% total anaerobic cultivable counts. detected 37 which seven yielded counts > 10(5). Twenty-one organisms. 9 c 23 e 5. serotypes b d not any Presence demonstrated all isolates; however, none strains present had deletion region operon. results investigation show high frequency putative periodontal pathogens corroborate concept that there is variation virulence pathogenic potential among different
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