Journal of Conservative Dentistry
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Year : 2016  |  Volume : 19  |  Issue : 2  |  Page : 184-188

Cleaning efficacy of reciprocal and rotary systems in the removal of root canal filling material

Department of Endodontics, Bülent Ecevit University, Zonguldak, Turkey

Correspondence Address:
Baran Can Saglam
Department of Endodontics, Faculty of Dentistry, Bülent Ecevit University, Kozlu, Zonguldak
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.178706

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Aim: The aim of this study was to compare the efficacy of hand file, nickel titanium rotary instrument, and two reciprocating instruments for removing gutta-percha and sealer from the root canals. Materials and Methods: Eighty-eight mandibular premolar teeth were used. The root canals were shaped and filled with gutta-percha and a resin-based sealer. The specimens were divided into four groups according to the technique by which the root filling material was removed: Group 1 - Wave One; Group 2 - Reciproc; Group 3 - ProTaper; and Group 4 - Gates-Glidden burs and stainless steel hand file. Then teeth were split longitudinally and photographed. The images were transferred to a computer. The ratio of remaining filling material to the root canal periphery was calculated with the aid of ImageJ software. Statistical analysis was performed using Kruskal-Wallis and Mann-Whitney tests. Results: A significant difference was found among all groups (P < 0.001). The WaveOne group demonstrated significantly less remaining filling material. The greatest amount of filling material was found in specimens where gutta-percha was removed with Gates-Glidden burs and stainless steel hand file. Conclusion: The reciprocating files were found to be significantly more effective in removing the filling material from the canal walls compared to the rotational file and hand file.

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