Comparison of the Efficacy of Maleic Acid and Ethylenediaminetetraacetic Acid in smear Layer Removal from Instrumented Human Root Canal: A scanning Electron Microscopic study

Ballal, Nidambur Vasudev and Kandian, Sreenesh and *, Kundabala M and Bhat, Kadengodlu Seetharama and Acharya, Shashirashmi (2009) Comparison of the Efficacy of Maleic Acid and Ethylenediaminetetraacetic Acid in smear Layer Removal from Instrumented Human Root Canal: A scanning Electron Microscopic study. JOE, 35 (11). pp. 1573-1576.

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Abstract

Introduction:The aim of this study was to assess, by scanningelectronmicroscopic (SEM) analysis, the ability of 17% EDTA and 7% maleicacid in the removal of the smearlayer from the humanroot canal system. Method: Eighty single-rooted human anterior teeth were subjected to standardized root canal instrumentation (step-back technique) and were irrigated with 2.5% NaOCl after each instrument. Based on the final irrigating solution used, samples were divided randomly into three groups: (1) the EDTA group: 17% EDTA+ 2.5% NaOCl (n = 30), (2) the maleicacid group: 7% maleicacid + 2.5% NaOCl (n = 30), and (3) the control group: 0.9% saline (n = 20). After final irrigation, teeth were prepared Results At the coronal and middle thirds, there was no significant difference between EDTA and maleicacid. Both were equally efficient in the removal of smearlayer. In the apical third, maleicacid showed significantly better smearlayer removing ability than EDTA. Conclusion Final irrigation with 7% maleicacid is more efficient than 17%EDTA in the removal of smearlayer from the apical third of the root canal system, which is a crucial area for disinfection.for SEM analysis to evaluate the cleaning of the coronal, middle, and apical thirds of radicular dentin by determining the presence or absence of smearlayer. The data was statistically analyzed using the Kruskall-Wallis test

Item Type: Article
Uncontrolled Keywords: maleicacid, scanning electron microscope,smear layer
Subjects: Dentistry > MCODS Mangalore > Conservative Dentistry
Depositing User: KMCMLR User
Date Deposited: 19 Feb 2013 11:24
Last Modified: 22 Apr 2014 10:12
URI: http://eprints.manipal.edu/id/eprint/78517

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