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J Conserv Dent. 2017 Jul-Aug;20(4):230-233. doi: 10.4103/0972-0707.219191.

Evaluation of canal transportation after preparation with Reciproc single-file systems with or without glide path files.

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Department of Endodontics, Faculty of Dentistry, Gaziantep University, Gaziantep, Turkey.



Canal transportation is a common sequel caused by rotary instruments.


The purpose of the present study is to evaluate the degree of transportation after the use of Reciproc single-file instruments with or without glide path files.


Thirty resin blocks with L-shaped canals were divided into three groups (n = 10). Group 1 - canals were prepared with Reciproc-25 file. Group 2 - glide path file-G1 was used before Reciproc. Group 3 - glide path files-G1 and G2 were used before Reciproc. Pre- and post-instrumentation images were superimposed under microscope, and resin removed from the inner and outer surfaces of the root canal was calculated throughout 10 points.


Statistical analysis was performed with Kruskal-Wallis test and post hoc Dunn test. For coronal and middle one-thirds, there was no significant difference among groups (P > 0.05). For apical section, transportation of Group 1 was significantly higher than other groups (P < 0.05).


Using glide path files before Reciproc single-file system reduced the degree of apical canal transportation.


Canal transportation; Reciproc; glide path file; resin block

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