Probing depth   Number of patients Group 1 Group 2 Group 3 P-value
Mean SD Mean SD Mean SD
Baseline 10 6.47 0.58 6.77 0.45 6.12 0.85 0.097
4th week 10 4.60 0.49 5.79 0.72 5.09 0.76 0.002
8th week 10 4.70 0.41 5.78 0.72 5.09 0.76 0.003
Table 3: Comparison of probing depth in group 1, group 2 and group 3.