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Table 1 The correlation coefficients (R) of each root canal morphological parameters and UCW

From: Shaping outcome of ProTaper NEXT for root canal preparation in mandibular incisors: a micro-CT study

 

UCW (R)

Canal area

0.882*

Canal volume

0.938**

SMI

− 0.406

Roundness

− 0.626

Formfactor

− 0.724*

Major diameter

0.924**

Minor diameter

0.799*

  1. *Indicates a strong correlations (0.7–0.9),
  2. **Indicates a very strong correlation (0.9–1.0) between the root canal morphological parameters and UCW