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Table 1 Amount of material removed* (mm 2 ) for each instrument

From: Comparison of the shaping ability of GT® Series X, Twisted Files and AlphaKite rotary nickel-titanium systems in simulated canals

Segments

1

2

3

4

5

6

7

8

9

10

GTX

          

Outer wall

0.06 ± 0.02

0.09 ± 0.02

0.11 ± 0.02

0.11 ± 0.02

0.08 ± 0.02

0.07 ± 0.02

0.16 ± 0.02

0.24 ± 0.01

0.26 ± 0.02

0.24 ± 0.02

Inner wall

0.02 ± 0.01

0.03 ± 0.02

0.04 ± 0.03

0.08 ± 0.04

0.15 ± 0.03

0.18 ± 0.02

0.17 ± 0.02

0.16 ± 0.02

0.15 ± 0.02

0.12 ± 0.03

p- value

0.011

0.008

0.005

0.059

0.005

0.005

1.000

0.005

0.005

0.005

TF

          

Outer wall

0.07 ± 0.04

0.06 ± 0.03

0.09 ± 0.03

0.12 ± 0.02

0.08 ± 0.01

0.07 ± 0.02

0.13 ± 0.02

0.19 ± 0.02

0.22 ± 0.02

0.22 ± 0.02

Inner wall

0.03 ± 0.02

0.04 ± 0.03

0.02 ± 0.03

0.04 ± 0.02

0.14 ± 0.02

0.18 ± 0.02

0.14 ± 0.02

0.11 ± 0.03

0.10 ± 0.03

0.09 ± 0.04

p -value

0.017

0.083

0.012

0.007

0.005

0.005

0.836

0.005

0.005

0.005

AK

          

Outer wall

0.07 ± 0.02

0.07 ± 0.02

0.10 ± 0.02

0.13 ± 0.02

0.10 ± 0.03

0.06 ± 0.01

0.09 ± 0.01

0.14 ± 0.01

0.15 ± 0.02

0.15 ± 0.02

Inner wall

0.04 ± 0.01

0.04 ± 0.01

0.04 ± 0.01

0.04 ± 0.02

0.11 ± 0.02

0.15 ± 0.02

0.10 ± 0.02

0.08 ± 0.01

0.08 ± 0.01

0.08 ± 0.02

p- value

0.007

0.01

0.005

0.005

0.310

0.005

0.281

0.005

0.005

0.005

  1. * Means ± standard deviations.
  2. Values in bold are statistically significant.