Table 1.

Canal transportation mean and standard deviations at the three predetermined levels for the studied groups

Groups	Apical	Middle	Coronal	P
Group 1	0.092±0.039a, A	0.114±0.048a, B	0.144±0.067a, D	0.3275
Group 2	0.090±0.022b, A	0.250±0.047c, C	0.286±0.023c, E	˂0.0001
Group 3	0.058±0.018d, A	0.090±0.032d, e, B	0.136±0.056e, D	0.0239

Within the same raw, groups with the same lowercase were not statistically significant. Within the same column, groups with the same uppercase were not statistically significant