TABLE 2.
Viable counts of untreated (PBS) versus treated S. gordonii cells
| Method of cell growth | Treatmenta | Total viable count | Pb |
|---|---|---|---|
| Planktonic | PBS | (1.29 ± 0.25) × 104 | |
| WLBU2 | (0.00 ± 0.00) × 104 | <0.001 | |
| Amoxicillin | (1.35 ± 0.41) × 104 | NS | |
| Metronidazole | (1.22 ± 0.11) × 104 | NS | |
| Biofilm | PBS | (2.01 ± 0.08) × 107 | |
| WLBU2 | (0.21 ± 0.02) × 107 | <0.0001 | |
| Amoxicillin | (1.63 ± 0.11) × 107 | NS | |
| Metronidazole | (1.8 ± 0.14) × 107 | NS |
a
All antimicrobials were used at a concentration of 25 μM.
b
NS, not significant; P > 0.05 by a t test that was adjusted when necessary for unequal variance.