Table 3.
Means and standard deviations of optical density values of different microorganisms around different cements mixed with different zein modified magnesium oxide (zMgO) nanoparticles concentrations. FII: GC Fuji II, RX: 3 M ESPE Rely X Temp, IC: Harvard Ionoglass Cem, NE: Spident Es Temp NE, and SP: Ivoclar Vivadent System P link.
| Microorganism | Cement | Optical Density (nm) at MgO concentration |
|||
|---|---|---|---|---|---|
| 0% | 0.3% | 0.5% | 1.0% | ||
| S. mutans | FII | 0.33 (0.04)A/a | 0.13 (0.003)B/a | 0.12 (0.002)B/a | 0.14 (0.003)B/a |
| RX | 0.80 (0.09)A/a | 0.02 (0.001)B/b | 0.02 (0.002)B/b | 0.00 (0.000)B/b | |
| IC | 0.80 (0.01)A/c | 0.04 (0.002)B/b | 0.13 (0.002)C/a | 0.24 (0.01)D/c | |
| NE | 0.85 (0.02)A/c | 0.18 (0.004)B/a | 0.31 (0.008)C/c | 0.47 (0.01)D/d | |
| SP | 0.99 (0.06)A/d | 0.50 (0.007)B/c | 0.44 (0.02)C/d | 0.56 (0.02)B/e | |
| S. aureus | FII | 0.66 (0.01)A/a | 0.51 (0.05)B/a | 0.45 (0.01)C/a | 0.51 (0.02)B/a |
| RX | 0.54 (0.01)A/b | 0.03 (0.003)B/b | 0.06 (0.004)C/b | 0.05 (0.004)C/b | |
| IC | 0.85 (0.03)A/c | 0.36 (0.03)B/c | 0.48 (0.03)C/a | 0.57 (0.02)D/a | |
| NE | 0.29 (0.01)A/d | 0.18 (0.004)B/d | 0.08 (0.002)C/b | 0.04 (0.003)D/b | |
| SP | 0.75 (0.02)A/e | 0.06 (0.004)B/b | 0.06 (0.003)B/b | 0.05 (0.004)B/b | |
| E .faecalis | FII | 0.60 (0.01)A/a | 0.44 (0.02)B/a | 0.48 (0.03)C/a | 0.43 (0.006)B/a |
| RX | 0.35 (0.02)A/b | 0.05 (0.003)B/b | 0.06 (0.002)B/b | 0.06 (0.003)B/b | |
| IC | 0.67 (0.04)A/a | 0.17 (0.003)B/c | 0.17 (0.003)B/c | 0.36 (0.000)C/c | |
| NE | 0.50 (0.05)A/c | 0.31 (0.02)B/d | 0.15 (0.001)C/c | 0.07 (0.002)D/b | |
| SP | 0.39 (0.01)A/b | 0.08 (0.002)B/b | 0.07 (0.003)B/b | 0.21 (0.01)C/d | |
| C. albicans | FII | 1.30 (0.02)A/a | 0.74 (0.02)B/a | 0.98 (0.02)C/a | 0.12 (0.002)D/a |
| RX | 0.31 (0.01)A/b | 0.03 (0.002)B/b | 0.07 (0.002)B/b | 0.01 (0.002)C/b | |
| IC | 1.31 (0.01)A/a | 0.47 (0.003)B/c | 0.42 (0.003)B/c | 0.10 (0.008)C/a | |
| NE | 0.44 (0.05)A/c | 0.02 (0.001)B/b | 0.05 (0.001)B/b | 0.33 (0.005)C/c | |
| SP | 1.10 (0.12)A/a | 0.77 (0.006)B/a | 0.51 (0.01)C/d | 0.76 (0.01)B/d | |
*Upper case letters indicate significant differences (p < 0.05) between different zMgO concentrations for the same microorganism and cement type. Lower case letters indicate significant differences (p < 0.05) across different cements within the same zMgO concentration and microorganism.