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. 2015 Nov 1;9(11):ZC44–ZC47. doi: 10.7860/JCDR/2015/14455.6804

[Table/Fig-4]:

Satistical evaluation of groups for irrigant penetration. p-value of < 0.05 was considered as statistically significant

Group p-value
I II III IV
N % N % N % N %
Working Length Absent 6 40.0% 0 .0% 0 .0% 0 .0% 0.004; Sig
Present 9 60.0% 15 100.0% 15 100.0% 15 100.0%
6mm Absent 14 46.6% 0 .0% 0 .0% 0 .0% <0.001; Sig
Present 16 53.3% 30 100.0% 30 100.0% 30 100.0%
4mm Absent 22 73.3% 12 40.0% 0 .0% 3 10.0% <0.001; Sig
Present 8 26.6% 18 60.0% 30 100.0% 27 90.0%
2mm Absent 30 100.0% 16 53.3% 0 .0% 6 20.0% <0.001; Sig
Present 0 .0% 14 46.6% 30 100.0% 24 80.0%