Shaping Ability of Superelastic and Controlled Memory Nickel-Titanium File Systems: An In Vitro Study

Table 2

Comparison between the instruments of the area removed² (mm²) from canal walls.

Segments	1	2	3	4	5	6	7	8	9	10
Outer wall
F360	0.03 ± 0.01	0.04 ± 0.02	0.06 ± 0.02	0.07 ± 0.01	0.07 ± 0.02	0.05 ± 0.02	0.08 ± 0.03	0.13 ± 0.02	0.16 ± 0.03	0.16 ± 0.03
HyFlex®CM™	0.03 ± 0.01	0.03 ± 0.02	0.06 ± 0.02	0.07 ± 0.02	0.05 ± 0.02	0.04 ± 0.01	0.08 ± 0.01	0.11 ± 0.02	0.14 ± 0.02	0.15 ± 0.02
P values	0.812	0.439	0.592	0.585	0.301	0.133	0.319	0.017	0.055	0.135
Inner wall
F360	0.02 ± 0.01	0.03 ± 0.01	0.03 ± 0.01	0.04 ± 0.02	0.09 ± 0.03	0.13 ± 0.03	0.12 ± 0.02	0.10 ± 0.01	0.10 ± 0.01	0.09 ± 0.02
HyFlex®CM™	0.03 ± 0.01	0.04 ± 0.02	0.03 ± 0.01	0.05 ± 0.02	0.10 ± 0.02	0.13 ± 0.02	0.10 ± .002	0.08 ± 0.01	0.08 ± 0.02	0.07 ± 0.02
values	0.218	0.908	0.540	0.966	0.254	0.909	0.086	0.021	0.019	0.066

²Mean ± standard deviation; values are statistically significant.