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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Oral Microbiol Immunol. 2008 Aug;23(4):328–335. doi: 10.1111/j.1399-302X.2008.00433.x

Table 2.

Prevalence and high load (≥106/sample) of the periodontopathogens Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, and Prevotella intermedia in gingival crevicular fluid obtained from periodontitis patients as well as healthy controls

Positive ≥106
Species Aggressive periodontitis Chronic periodontitis Periodontally healthy subjects
A. actinomycetemcomitans 6 (43%) 2 (14%) 6 (35%) 0 (0%) 0 (0%) 0 (0%)
P. gingivalis 5 (36%) 2 (14%) 13 (76%) 10 (59%) 0 (0%) 0 (0%)
T. denticola 6 (43%) 2 (14%) 13 (76%) 4 (24%) 0 (0%) 0 (0%)
T. forsythia 10 (71%) 3 (21%) 16 (94%) 6 (35%) 0 (0%) 0 (0%)
P. intermedia 5 (36%) 1 (7%) 9 (53%) 7 (41%) 0 (0%) 0 (0%)