Table 2 The impedance parameters of immersed bare Ti-6Al-4 V alloy in artificial saliva solution with additives at 37 ◦C.
Ti alloy + Solution | Time h | Rs Ω cm2 | R1 Ω cm2 | α1 | Q1 µF cm− 2 | R2 MΩ cm2 | α2 | Q2 µF cm− 2 | EI% |
|---|---|---|---|---|---|---|---|---|---|
Artificial Saliva | 1 h | 26.7 | 25.0 | 0.89 | 13.14 | 0.8 | 0.84 | 5.0 | - |
24 | 18.2 | 48.7 | 0.91 | 11.21 | 1.6 | 0.86 | 2.5 | - | |
48 | 18.5 | 58.0 | 0.93 | 11.04 | 1.8 | 0.83 | 2.4 | - | |
96 | 19 | 67.5 | 0.91 | 10.83 | 1.9 | 0.81 | 2.0 | - | |
168 | 19.5 | 73.8 | 0.92 | 9.12 | 2.0 | 0.82 | 2.1 | - | |
240 | 22.1 | 82.0 | 0.93 | 8.36 | 2.1 | 0.82 | 1.9 | - | |
Saliva + C.albicans + Pepsin | 1 h | 281.6 | 131.0 | 0.94 | 6.82 | 2.02 | 0.83 | 20.4 | 60.4 |
24 | 299.4 | 232.2 | 0.96 | 6.65 | 2.32 | 0.75 | 18.1 | 31.1 | |
48 | 446.7 | 397.8 | 0.97 | 5.77 | 2.67 | 0.83 | 17.6 | 32.6 | |
96 | 347.6 | 470.8 | 0.96 | 4.71 | 3.61 | 0.81 | 16.5 | 47.4 | |
168 | 175.7 | 509.7 | 0.99 | 2.06 | 3.94 | 0.76 | 14.9 | 49.2 | |
240 | 402.2 | 513.8 | 0.97 | 2.3 | 4.73 | 0.79 | 14.6 | 55.6 | |
Saliva + C.albicans | 1 h | 114.7 | 241.5 | 0.95 | 20.49 | 2.57 | 0.93 | 19.73 | 68.8 |
24 | 738.7 | 342.7 | 0.94 | 16.28 | 4.65 | 0.99 | 19.42 | 65.6 | |
48 | 557.3 | 398.4 | 0.96 | 5.27 | 9.89 | 0.82 | 18.12 | 81.7 | |
96 | 308.1 | 485.0 | 0.95 | 5.49 | 9.56 | 0.81 | 17.42 | 80.1 | |
168 | 211.1 | 599.7 | 0.84 | 5.97 | 8.36 | 0.77 | 16.39 | 76.1 | |
240 | 309.3 | 711.4 | 0.92 | 6.39 | 7.45 | 0.81 | 14.81 | 71.8 | |
Saliva + Pepsin | 1 h | 527.3 | 419.2 | 0.76 | 16.8 | 4.27 | 0.96 | 7.50 | 81.3 |
24 | 560.1 | 698.1 | 0.81 | 13.4 | 8.94 | 0.83 | 9.89 | 82.1 | |
48 | 355.4 | 738.6 | 0.83 | 10.3 | 11.00 | 0.99 | 8.56 | 83.6 | |
96 | 365.3 | 892.2 | 0.82 | 7.85 | 12.99 | 0.99 | 4.68 | 85.4 | |
168 | 579.1 | 987.8 | 0.78 | 7.04 | 14.20 | 0.97 | 2.12 | 85.9 | |
240 | 364.6 | 996.0 | 0.89 | 2.80 | 16.73 | 0.95 | 1.98 | 87.4 |
