Index Group I N=10 (Self-ligating) Group II N=9 (Control) Difference t P average (mm) SD average (mm) SD Fleming [7] 11.02 3.88 5.09 2.90 5.93 3.631 0.002* Little [19] 5.22 2.04 2.39 0.94 2.83 3.779 0.002* *statistically significant difference (p<0.05)

Table 1: Comparison between the two groups in the initial phase of Student’s t test.