Table 2. Comparison of PPD, CAL, BOP, and PI indices before and after treatment in intervention and control groups .
| Index | Group | Before Treatment | One month after treatment | P-value # | ||
| Mean | SD | Mean | SD | |||
| PPD * | Intervention Group (n=21) | 4.26 | 0.91 | 2.68 | 1.03 | <0.001 |
| Control Group (n=21) | 4.34 | 0.66 | 3.32 | 0.96 | <0.001 | |
| P-value ## | 0.743 | 0.042 | ||||
| CAL** | Intervention Group (n=21) | 3.98 | 0.87 | 2.49 | 1.15 | <0.001 |
| Control Group (n=21) | 3.90 | 0.66 | 3.15 | 0.85 | <0.001 | |
| P-value ## | 0.781 | 0.041 | ||||
| BOP*** | Intervention Group(n=21) | 43.43 | 7.09 | 26.33 | 4.91 | <0.001 |
| Control Group (n=21) | 45.05 | 5.77 | 33.14 | 5.06 | <0.001 | |
| P-value ## | 0.422 | 0.000 | ||||
| PI**** | Intervention Group (n=21) | 50.14 | 8.27 | 27.67 | 6.89 | <0.001 |
| Control Group (n=21) | 49.71 | 8.74 | 32.24 | 6.70 | <0.001 | |
| P-value ## | 0.871 | 0.035 | ||||
##P-value: independent t-test
#P-value: paired-sample t-test
*Pocket probing depth
**Clinical attachment level
***Bleeding on probing
****Plaque index