J Dent Res Dent Clin Dent Prospects. 2018;12(2):110-115.
doi: 10.15171/joddd.2018.017
PMID: 30087761
PMCID: PMC6076885
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Clinical Dentistry

Efficacy of novel thermomechanically treated reciprocating systems for gutta-percha removal from root canals obturated with warm vertical compaction

Cangul Keskin * , Evren Sarıyılmaz, Duygu Hazal Güler

1 Department of Endodontics, OndokuzMayıs University Faculty of Dentistry, Samsun, Turkey
2 Department of Endodontics, Ordu University Faculty of Dentistry, Ordu, Turkey


Background. The present study aimed to test the efficacy of novel reciprocating systems in terms of gutta-percha removal from root canals obturated with warm vertical compaction technique. Methods. Ninety straight-rooted maxillary incisors were enlarged with hand files up to a #50/02 apical size and obturated using warm vertical compaction technique. The specimens were divided into four groups according to the system used for removal of obturating material: Reciproc Blue, Reciproc, WaveOne Gold and hand instrumentation. The residual filling materials and time required for root canal removal were calculated. Statistical analyses were performed using one-way ANOVA and Tukey tests at 5% significance threshold. Results. There were no significant differences among Reciproc, Reciproc Blue and WaveOne Gold (P>0.05). The hand instrumentation group exhibited significantly more resisual root canal filling material (P<0.05). The time required for root canal filling removal was significantly shorter in the Reciproc group followed by WaveOne Gold, Reciproc Blue and hand instrumentation groups (P<0.05). Conclusion. Efficacy of Reciproc Blue, WaveOne Gold and Reciproc instruments for root canal filling removal were similar and superior to hand instrumentation.
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Submitted: 05 Dec 2017
Revised: 19 May 2018
Accepted: 25 May 2018
First published online: 27 Jun 2018
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