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Inhibition of S. gordonii metabolic activity measured by XTT assay in biofilm formed on dental restorative surfaces by NDM.
| NDM Conc (μg/mL) | Metabolic activity of biofilm cells on | ||
|---|---|---|---|
| Amalgam discs | Composite discs | HA discs | |
| Zero | 2.66 ± 0.44 | 2.51 ± 0.41 | 2.37 ± 0.22 |
| 10 | 1.84 ± 0.36 | 1.97 ± 0.31 | 2.01 ± 0.26 |
| 25 | 1.33 ± 0.12 | 1.52 ± 0.24 | 1.79 ± 0.19 |
| 50 | 0.94 ± 0.08 | 1.14 ± 0.18 | 1.21 ± 0.15 |
| 75 | 0.42 ± 0.05 | 0.56 ± 0.11 | 0.74 ± 0.13 |
| 100 | 0.0 | 0.0 | 0.0 |
