Skip to main content

Table 2 Abscess area and lethality

From: Comparison of the virulence of exopolysaccharide-producing Prevotella intermedia to exopolysaccharide non-producing periodontopathic organisms

Bacteria Mean abscess area ± standard deviation1 and lethality2
  Infectious dose (CFU)
  107 108 109 1010
Prevotella intermedia     
Strain 17 19.5 ± 10.9 (0/10) 102.9 ± 56.1 (0/10) Lethal (10/10) Lethal (10/10)
OD1-16 15.9 ± 5.9 (0/10) 87.0 ± 59.5 (0/10) 292.3 ± 79.7 (8/10) Lethal (10/10)
ATCC 25611 ND (0/10) ND (0/10) 222.9 ± 83.5 (2/10) Lethal (10/10)
Porphyromonas gingivalis     
ATCC 33277 ND (0/10) ND (0/10) 191.7 ± 54.7 (0/10) 237.9 ± 59.8 (4/10)
381 ND (0/10) ND (0/10) 242.1 ± 72.5 (0/10) 278.6 ± 122.5 (4/10)
W83 ND (0/10) ND (0/10) 259.5 ± 97.4 (4/10) Lethal (10/10)
  1. 1Abscess area was measured at 3 days after the injection.
  2. 2Motality of mice 24 h after the injection is shown in parentheses.