Parameter Remove group (n = 10) 0w group (n = 10) 2w group (n = 10) 3w group (n = 10)
Normal Periodontum 0.00± 0.00 92.70± 6.54* 95.20± 4.26* 94.52± 5.44*
Surface Resorption 0.00± 0.00 2.95± 4.45 4.42± 4.28† 4.80± 4.73†
Inflammatory Resorption 1.48± 1.56 2.38± 2.94 0.38± 1.20 0.68± 1.58
Replacement Resorption 89.58± 28.36 1.97± 4.48* 0.00± 0.00* 0.00± 0.00*
n = number of sites; SD = standard deviation.
* Significantly different from remove group (P <0.01); Kruskal-Wallis test; statistical differences between the four groups.
† Significantly different from remove group (P <0.05); Kruskal-Wallis test; statistical differences between the four groups.
Table 1: The healing on the root surface