| Group | Case | Pain score | Vesicle score | Erythema score |
| Therapy |
|
|
|
|
| Before treatment | 36 | 1.94 ± 0.23 | 1.94 ± 0.23 | 1.94 ± 0.23 |
| After treatment | 36 | 0.92 ± 034 | 0.92 ± 0.34 | 0.92 ± 0.34 |
| t |
| 7.29 | 7.29 | 7.29 |
| P |
| <0.01 | <0.01 | <0.01 |
| Control |
|
|
|
|
| Before treatment | 36 | 1.67 ± 0.23 | 1.67 ± 0.23 | 1.67 ± 0.23 |
| After treatment | 36 | 1.31 ± 034 | 1.31 ± 0.34 | 1.31 ± 0.34 |
| t |
| 1.50 | 1.50 | 1.50 |
| P |
| >0.05 | >0.05 | >0.05 |