Journal of Conservative Dentistry
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Year : 2018  |  Volume : 21  |  Issue : 5  |  Page : 551-556

Effect of ultrasonic activation on calcium ion quantification, smear layer removal, and canal cleaning efficacy of demineralizing irrigants

Department of Conservative Dentistry and Endodontics, Terna Dental College and Hospital, Navi Mumbai, Maharashtra, India

Correspondence Address:
Dr. Shishir Singh
Department of Conservative Dentistry and Endodontics, Terna Dental College, Sector 22, Nerul, Navi Mumbai - 400 706, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCD.JCD_162_18

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Background: Effective removal of smear layer ensures better penetration of irrigants ensuring root canal disinfection and has the potential of sealing dentinal tubules during obturation. Aim: The aim of this study is to evaluate the canal cleaning efficacy and calcium ion liberation with the use of demineralizing irrigants, namely, 17% ethylenediaminetetraacetic acid (EDTA), 7% maleic acid, and 10% citric acid with or without ultrasonic (US) activation. Materials and Methods: Crowns of 62 extracted maxillary central incisors were decoronated and root canals prepared. Based on the final irrigant teeth were divided into following groups (n = 10), namely, 10% citric acid, 7% maleic acid, 17% EDTA, and 10% citric acid with US activation, 7% maleic acid with US activation, and 17% EDTA with US activation. Irrigants were subjected to inductively coupled plasma–atomic emission spectroscopy followed by debris scoring and scanning electron microscope analysis. Statistical Analysis: One-way analysis of variance with the Bonferroni's correction for multiple testing was employed. Results: About 10% citric acid with US activation liberated the highest calcium ions and removed the maximum smear layer. Conclusions: Citric acid with US activation is a potentially effective irrigation regimen with sodium hypochlorite.

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