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Contemp Clin Dent. 2013 Jan;4(1):67-70. doi: 10.4103/0976-237X.111624.

Comparative evaluation of 15% ethylenediamine tetra-acetic acid plus cetavlon and 5% chlorine dioxide in removal of smear layer: A scanning electron microscope study.

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  • 1Command Military Dental Centre, Central Command, Lucknow, India.

Abstract

AIMS:

The purpose of this study was to compare the efficacy of smear layer removal by 5% chlorine dioxide and 15% Ethylenediamine Tetra-Acetic Acid plus Cetavlon (EDTAC) from the human root canal dentin.

MATERIALS AND METHODS:

Fifty single rooted human mandibular anterior teeth were divided into two groups of 20 teeth each and control group of 10 teeth. The root canals were prepared till F3 protaper and initially irrigated with 2% Sodium hypochlorite followed by 1 min irrigation with 15% EDTAC or 5% Chlorine dioxide respectively. The control group was irrigated with saline. The teeth were longitudinally split and observed under Scanning electron microscope SEM (×2000).

STATISTICAL ANALYSIS USED:

The statistical analysis was done using General Linear Mixed Model.

RESULTS:

At the coronal thirds, no statistically significant difference was found between 15% EDTAC and 5% Chlorine dioxide in removing smear layer. In the middle and apical third region 15% EDTAC showed better smear layer removal ability than 5% Chlorine dioxide.

CONCLUSION:

Final irrigation with 15% EDTAC is superior to 5% chlorine dioxide in removing smear layer in the middle and apical third of radicular dentin.

KEYWORDS:

Chlorine dioxide; ethylenediamine tetra-acetic acid plus cetavlon; smear layer removal

PMID:
23853455
[PubMed]
PMCID:
PMC3703697
Free PMC Article
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