1. Use of Nickel-Titanium Rotary PathFile to Create the Glide Path: Comparison With Manual Preflaring in Simulated Root Canals 
Elio Berutti, MD, DDS, Giuseppe Cantatore, MD, DDS, Arnaldo Castellucci, MD, DDS, Giorgio Chiandussi, MSc, PhD, Francesco Pera, DDS, Giuseppe Migliaretti, MD, Damiano Pasqualini, DDS 
Journal of Endodontics 
Volume 35, Issue 3, Pages (March 2009)
DOI: /j.joen
Copyright © 2009 American Association of Endodontists Terms and Conditions

2. Figure 1
PathFile NiTi Rotary instruments. (A) No. 1, ISO 13 tip; (B) no. 2, ISO 16 tip; (C) no.3, ISO 19 tip.
Journal of Endodontics  , DOI: ( /j.joen )
Copyright © 2009 American Association of Endodontists Terms and Conditions

3. Figure 2
(Left) Determination of the mean radius of curvature by means of the best-fit circumference. (Right) Detail of the point-by-point construction of the mean axis of the canal (yellow). Qualitative evaluation of the curvature along the canal axis and determination of end points to determine the radius of curvature (orange).
Journal of Endodontics  , DOI: ( /j.joen )
Copyright © 2009 American Association of Endodontists Terms and Conditions

4. Figure 3
Superimposition of preinstrumentation and postinstrumentation images. (A) Group 1, PathFile/expert; (B) group 2, K-files/expert; (C) group 3, PathFile/inexpert; (D) group 4, K-files/inexpert.
Journal of Endodontics  , DOI: ( /j.joen )
Copyright © 2009 American Association of Endodontists Terms and Conditions