Journal of Conservative Dentistry
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Year : 2015  |  Volume : 18  |  Issue : 3  |  Page : 252-256

Comparison of efficacy of various root canal irrigation systems in removal of smear layer generated at apical third: An SEM study

Department of Conservative Dentistry and Endodontics, Institute of Dental Studies And Technologies, Modinagar, Uttar Pradesh, India

Correspondence Address:
Dr. Varun Raj Kumar
#285 Veer Colony, Amrik Singh Road, Bathinda - 151 001, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.157267

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Aim: The aim of the study is to compare the efficacy of different irrigation systems comparing irrigation with syringe and needle (Dispo Van), Max-I-Probe needle (Dentsply Maillefer), EndoActivator (Dentsply Maillefer), and EndoVac (Sybron Endo) in removing the smear layer generated at apical third. Materials and Methods: Instrumentation was done in 40 extracted premolars using different irrigation regimes (Group 1, saline and syringe; Group 2, Max-I-Probe needles with NaOCl and ethylenediaminetetraacetic acid (EDTA); Group 3, irrigant activation with EndoActivator using needlesNaOCl and EDTA; and Group 4, irrigation with EndoVac using needles NaOCl and EDTA). Statistical Analysis Used: The percentage of debris was seen with scanning electron microscope (SEM) and evaluated using one-way analysis of variance (ANOVA), Kruskal-Wallis test, followed by Mann-Whitney test for significance. Results: The mean score ± standard deviation for the conventional group was 2.8 ± 0.42 with median value of 3.00 (2-3). The results for the Max-I-Probe needle group were 2.3 ± 0.48 with median value of 2.00 (2-3) The mean debris score for EndoActivator group were 0.8 ± 0.42 with median value of 1 (0-1). The mean debris score for EndoVac group were 0.4 ± 0.52 with median value of 1 (0-1). Conclusion: EndoVac and EndoActivator performed much better than other available systems in removing the smear layer from apical third. So they should be incorporated as a regular part of the irrigation regime.

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