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Values of MIC and MBC for the four groups of oral streptocci bacteria.
| Bacteria | MBC**(mg/ml) | MIC*(mg/ml) | ||
|---|---|---|---|---|
| chitosan | nanochitosan | chitosan | nanochitosan | |
| Streptococcus mutans | 1.25 | .625 | 2.5 | 1.25 |
| Streptococcus sobrinus | .625 | .625 | 2.5 | 2.5 |
| Streptococcus sanguis | 1.25 | .312 | 1.25 | 1.25 |
| Streptococcus salivarius | .625 | .625 | 1.25 | 2.5 |
