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Log10 CFU/mL, Log10 CFU/mL reduction, and percent reduction of treated S. mutans biofilm following each treatment
| Groups | Log10 CFU/mL | Log10 CFU/mL reduction | Percent reduction (%) |
|---|---|---|---|
| Control | 9.8 | – | – |
| 0.2% CHX | 5.3 | −4.5 | 99.99 |
| Blue laser | 9.3 | −0.5 | 68.41 |
| 1/2 × MBIC of N-QCT | 8.4 | −1.4 | 96.11 |
| 1/4 × MBIC of N-QCT | 9 | −0.8 | 84.22 |
| aPDT using 1/2 × MBIC of N-QCT | 5.8 | −4.0 | 99.99 |
| aPDT using 1/4 × MBIC of N-QCT | 6.7 | −3.1 | 99.92 |
