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Table 2: Comparison of Streptococcus mutans count between different concentrations of grape seed extracts groups (After 48 hrs.)
| Groups | N | Mean rank | p-value | ||||
| Grape seed extract (500 mg/mL) | 7 | 7.00 | 0.591 | ||||
| Grape seed extract (250 mg/mL) | 7 | 8.00 | |||||
| Grape seed extract (500 mg/mL) | 7 | 6.00 | 0.122 | ||||
| Grape seed extract (125 mg/mL) | 7 | 9.00 | |||||
| Grape seed extract (250 mg/mL) | 7 | 6.50 | 0.298 | ||||
| Grape seed extract (125 mg/mL) | 7 | 8.50 |
