Table 2 . Comparison of VAS index at different times for sensodyne toothbrush .
Time | 2 months after | 1 month after | Immediately | Before Treatment |
Before Treatment | <0.001 | 0.006 | 0.99 | - |
Immediately | <0.001 | 0.006 | - | - |
1 month after | <0.001 | - | - | - |
2 months after | - | - | - | - |