| Group | Case | Pain score | Vesicle score | Erythema score |
| Therapy |
|
|
|
|
| Before treatment | 36 | 1.97 ± 0.17 | 1.97 ± 0.17 | 1.97 ± 0.17 |
| After treatment | 36 | 0.92 ± 034 | 0.92 ± 0.34 | 0.92 ± 0.34 |
| t |
| 5.94 | 5.94 | 5.94 |
| P |
| <0.01 | <0.01 | <0.01 |
| Control |
|
|
|
|
| Before treatment | 36 | 1.92 ± 0.17 | 1.92 ± 0.17 | 1.92 ± 0.17 |
| After treatment | 36 | 1.31 ± 034 | 1.31 ± 0.34 | 1.31 ± 0.34 |
| t |
| 2.98 | 2.98 | 2.98 |
| P |
| <0.05 | <0.05 | <0.05 |