Journal of Conservative Dentistry
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ORIGINAL RESEARCH ARTICLE
Year : 2018  |  Volume : 21  |  Issue : 2  |  Page : 190-193

Efficacy of new irrigating solution on smear layer removal in apical third of root canal: A scanning electron microscope study


Department of Conservative Dentistry and Endodontics, M. G. V's KBH Dental College and Hospital, Nashik, Maharashtra, India

Correspondence Address:
Dr. Priyanka Himmatrao Patil
Department of Conservative Dentistry and Endodontics, M. G.V's KBH Dental College and Hospital, Mumbai Agra Highway, Panchavati, Nashik - 422 003, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_155_17

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Aims: The aim of this in vitro study is to evaluate and compare the smear layer removal efficacy of etidronic acid-based irrigating solution with others in the apical third of the root canal. Materials and Methods: Forty human single-rooted mandibular premolar teeth were taken and decoronated to standardize the canal length. After biomechanical preparation, teeth were randomly divided into four groups (n = 10) and the final irrigation was carried out with tested irrigants. Group I: normal saline (negative control); Group II: 5.25% sodium hypochlorite (NaOCl) with surfactant and 17% ethylenediaminetetraacetic acid (EDTA) with surfactant; Group III: freshly mixed BioPure MTAD; and Group IV: freshly mixed Chloroquick solution. The teeth were split into two halves and observed under a scanning electron microscope to analyze the amount of smear layer present. Statistical Analysis: Data were analyzed using the Kruskal–Wallis test and Mann–Whitney test. Results: Group II (5.25% NaOCl with surfactant followed by 17% EDTA with surfactant) showed least smear layer scores (1.1 ± 0.3162). This was followed by Group III (MTAD) (2.2 ± 0.4216) and then Group IV (Chloroquick) (2.4 ± 0.5164). Conclusion: Sequential use of 5.25% NaOCl with surfactant and 17% EDTA with surfactant was found to be the most efficient than MTAD and Chloroquick in the removal of smear layer in the apical third of root canal.


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