Table 2 Qualitative analysis of surfaces after electrolysis under different conditions. Three examiners independently scored each surface based on 4 SEM images mean ± SD
Mean roughness score of 4 SEM images per electrolysis of different charges and currents | Mean all examiners | P value compared to Control | |||
|---|---|---|---|---|---|
Ex 1 | Ex 2 | Ex 3 | |||
Control | 2.00 ± 0.00 | 2.00 ± 0.00 | 2.00 ± 0.00 | 2.00 ± 0.00 | - |
− 1 A, group I | 4.00 ± 0.00 | 3.00 ± 0.00 | 3.25 ± 0.50 | 3.42 ± 0.17 | * |
− 1.5 A, group I | 4.00 ± 0.00 | 3.75 ± 0.50 | 4.00 ± 0.00 | 3.92 ± 0.17 | * |
+ 1 A, group I | 3.25 ± 0.50 | 3.33 ± 0.58 | 3.75 ± 0.50 | 3.44 ± 0.53 | * |
+ 1.5 A, group I | 3.25 ± 0.50 | 4.00 ± 0.00 | 3.75 ± 0.50 | 3.67 ± 0.33 | * |
− 1 A, group III | 2.00 ± 0.50 | 2.00 ± 0.00 | 2.00 ± 0.00 | 2.00 ± 0.17 | n.s. |
− 1.5 A, group III | 4.00 ± 0.00 | 3.00 ± 0.00 | 3.00 ± 0.00 | 3.33 ± 0.00 | * |
+ 1 A, group III | 3.00 ± 0.00 | 4.00 ± 0.00 | 3.25 ± 0.50 | 3.42 ± 0.17 | * |
+ 1.5 A, group III | 3.00 ± 0.00 | 4.00 ± 0.00 | 4.00 ± 0.00 | 3.67 ± 0.00 | * |