Effect of Different Kinematics of Rotary NiTi Instruments on Canal Transport ation in Curved Root Canals

Document Type : Original Article

Authors

Researcher of Endodontics, National Research Centre, Egypt

Abstract

Objective: This study was aimed to assess and compare between the transportation of Protaper
Next, WaveOne Gold and Twisted File Adaptive NiTi rotary systems on extracted curved molars.
Methodology: A total of ninety mesial root canals of human first and second molars were
randomly divided into three experimental groups; Group I: Protaper Next/Continuous rotation
(PTN/CR), Group II: WaveOne gold/Reciprocation (WG/R) and Group III: Twisted file Adaptive/
adaptive motion (TFA ). Pre- and postoperative CBCT images were taken and fusion technique was
applied to all specimens to ensure standardization. One-way ANOVA was used to compare between
more than two groups in parametric data. The significance level was set at P ≤ 0.05. Statistical
analysis was performed with IBM® SPSS® Statistics Version 20 for Windows.
Results: There was no statistically significant difference between all groups at the apical third.
At the middle and coronal third group 3 revealed the highest transportation followed by groups 1
and 2, which showed a statistically significant difference between them.

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