Abstract
The subgingival microflora of adult periodontitis was studied in 8 adults (36-47 years) and compared with that of 10 periodontally healthy individuals (36-43 years). A total of 64 periodontal lesions were examined, and classified according to the attachment level in three categories: attachment loss > 6 mm, attachment loss 4-6 mm and attachment loss < 4 mm. Also for comparative purposes 20 gingival sulci were evaluated. Samples were taken using three standardized paper points and were incubated anaerobically in selective and non-selective media. The results showed a statistically significant association of Capnocytophaga gingivalis and Capnocytophaga sputigena with moderate periodontal lesions, while Haemophilus segnis has been correlated to severe periodontal lesions. We concluded that C. gingivalis, C. sputigena and H. segnis might be potentially conductive to periodontal deterioration in adult periodontitis.
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