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VOLUME 16 , ISSUE 12 ( December, 2015 ) > List of Articles


Evaluating Transportation by Comparing Several uses of Rotary Endodontic Files

Ranya F Elemam, JA Capelas, Mário AP Vaz, Nuno Viriato, ML Pereira, A Azevedo, John West

Citation Information : Elemam RF, Capelas J, Vaz MA, Viriato N, Pereira M, Azevedo A, West J. Evaluating Transportation by Comparing Several uses of Rotary Endodontic Files. J Contemp Dent Pract 2015; 16 (12):927-932.

DOI: 10.5005/jp-journals-10024-1783

Published Online: 01-05-2016

Copyright Statement:  Copyright © 2015; The Author(s).



To evaluate the frequent use of ProTaper Next (PTN; Dentsply Maillefer, Ballaigues, Switzerland) systems on shaping ability of root canal utilizing Solidworks (2014, Dassault Systèmes) software.

Materials and methods

Thirty-six root canals in clear resin blocks (Dentsply-Maillefer) were allocated into six experimental groups (n = 36). Six new sets of PTN instruments (Dentsply Maillefer, Ballaigues, Switzerland) were used six times to shape the resin blocks. A #15 K-file was inserted to the working length (WL), followed by ProGlider (PG) to create a glide path. Sequential use of PTN instrumentation in a crown-down technique was used to reach size (30/07) apically. Macroscopic photos of the blocks were taken before and after instrumentation, layered by Paint Shop Pro 9 from JascSoftware®, and then canal transportation was measured using Solidwork 2014. The data were analyzed by SPSS software version 22. Multivariate statistical analysis general linear model (GLM) was also applied. Bonferroni correction test was used in multiple comparisons and the statistical significance was set to 0.05.


There was no difference in canal transportation resulted from utilizing PTN files after six multiple uses; in addition, the PTN files showed ability to maintain the original canal anatomy, especially in the apical level, where lowest total mean value of canal center displacement was seen (3 mm level) (0.019 ± 0.017).


ProTaper Next files can be used to prepare single and multiple canals in a single furcated tooth.

Clinical significance

ProTaper Next nickel-titanium (NiTi) file system is a safe instrument that respects the canal shape, allows practitioners to treat difficult cases with good results, and low risk of separation.

How to cite this article

Elemam RF, Capelas JA, Vaz MAP, Viriato N, Pereira ML, Azevedo A, West J. Evaluating Transportation by Comparing Several uses of Rotary Endodontic Files. J Contemp Dent Pract 2015;16(12):927-932.

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