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Bulletin of the National Research Centre

Table 3 The results of the laboratory cantilever bending test and numerical FEA during bending

From: Relation between laboratory cantilever bending test and finite element analysis of five different nickel-titanium rotary instruments

Endodontic instrument

Laboratory test

Finite element analysis (FEA)

Cantilever bending load (g)

Von Mises stresses during bending (MPa)

Deflection (mm)

TF Adaptive

86a ± 0.1

471

9

HyFlex EDM

99.8b ± 0.5

537

5.9

Wave One

144.5c ± 0.4

583

4.5

Reciproc Blue

155d ± 0.8

777

2.3

One Shape

174e ± 0.4

1368

1.4

 

P value Ë‚ 0.0001*

  
  1. Means with different letters indicate statistical significance difference *significant (p < 0.05)
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