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- Title
Relationship ofActinobacillus actinomycetemcomitansserotypes to periodontal condition: prevalence and proportions in subgingival plaque.
- Authors
Yang, Hui‐Wen; Huang, Yu‐Feng; Chan, You; Chou, Ming‐Yung
- Abstract
Yang H-W, Huang Y-F, Chan Y, Chou M-Y. Relationship ofActinobacillus actinomycetemcomitansserotypes to periodontal condition: prevalence and proportions in subgingival plaque. Eur J Oral Sci 2005; 113: 28–33.© Eur J Oral Sci, 2005No study available has utilized the new classification scheme (the consensus report of the American Academy of Periodontology 1999) to determine the prevalence ofActinobacillus actinomycetemcomitansin different periodontal conditions. The purpose of this study was to investigate prevalence and proportions ofA. actinomycetemcomitansserotypes in subgingival plaque samples from a young Taiwanese population with aggressive periodontitis, chronic periodontitis and no periodontal disease. A total of 221 subgingival plaque samples from 171 diseased subjects (70 had aggressive periodontitis, and 101 had chronic periodontitis) (mean age 25.0 ± 8.2 yr) and 50 periodontally healthy subjects (mean age 18.4 ± 9.5 yr) were screened forA. actinomycetemcomitans. Serotypes ofA. actinomycetemcomitanswere determined by an indirect immunofluorescence assay using serotype-specific polyclonal antisera toA. actinomycetemcomitansstrains ATCC 29523 (serotype a), ATCC 43728 (serotype b) and ATCC 33384 (serotype c). Prevalence (% of positive samples) ofA. actinomycetemcomitanswas 84.3% in aggressive periodontitis, 60.4% in chronic periodontitis, and 64.0% in periodontally healthy subjects. Proportions ofA. actinomycetemcomitans(mean percentage per total bacteria) in periodontally healthy subjects were significantly lower than in aggressive periodontitis subjects. The proportion of serotype b in subjects with aggressive periodontitis and subjects with chronic periodontitis were significantly greater than that in periodontally healthy subjects. The proportion of serotype c in periodontally healthy subjects was much higher than that in chronic periodontitis subjects. The results of this study suggest that prevalence and proportions ofA. actinomycetemcomitansare significantly greater in patients with aggressive periodontitis than in those with chronic periodontitis. Serotype b is the predominant serotype ofA. actinomycetemcomitansin patients with diseased periodontal conditions. Serotype c is a more common serotype detected in periodontally healthy subjects.
- Subjects
PERIODONTAL disease; PERIODONTICS; IMMUNOGLOBULINS; IMMUNE serums; ACTINOMYCETALES; DENTAL plaque; IMMUNOCYTOCHEMISTRY
- Publication
European Journal of Oral Sciences, 2005, Vol 113, Issue 1, p28
- ISSN
0909-8836
- Publication type
Article
- DOI
10.1111/j.1600-0722.2004.00192.x