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ORIGINAL ARTICLE
Year : 2016  |  Volume : 3  |  Issue : 1  |  Page : 23-30

Comparison of the effect of ethylenediamine tetra-acetic acid, chlorhexidine, etidronic acid and propolis as an irrigant on the microhardness of root dentin: An in vitro study


Department of Conservative Dentistry and Endodontics, DYPU College of Dentistry, Navi Mumbai, Maharashtra, India

Correspondence Address:
Sumita A Bhagwat
Department of Conservative Dentistry and Endodontics, DYPU College of Dentistry, Navi Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2348-2915.180112

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Aim: This in vitro study was carried out to compare of the effect of 17% ethylenediamine tetra-acetic acid (EDTA), 2% chlorhexidine (CHX), 18% etidronic acid (HEBP), and 4% propolis as an irrigant on the microhardness of root dentin. Materials and Methods: The sample size for the study was 100. Each specimen consisted of a longitudinally sectioned half of a root of a single-rooted tooth which was embedded in acrylic resin. The prepared specimens were divided randomly into five groups of twenty specimens each. Each group was treated with the irrigants to be tested. Group I was the control - the specimens were treated with distilled water. The specimens in Group II were treated with sodium hypochlorite (NaOCl) followed by EDTA. Specimens in Group III were treated with NaOCl followed by CHX. Specimens in Group IV were treated with NaOCl followed by HEBP, and specimens in Group V were treated with NaOCl followed by propolis. Following this, all the specimens were placed on the Vickers hardness tester and three readings were taken for each specimen. An average reading was obtained for each group. The results were tabulated and statistically analyzed to determine which of the irrigant solutions had the least effect on the microhardness of root dentin. Results: Eighteen percent HEBP had the least effect on the root dentin microhardness, followed by 4% propolis and 2% CHX. Seventeen percent EDTA showed maximum effect on the microhardness of the dentin. Conclusion: Under the limitations of this study, 18% HEBP and 4% propolis show promise for use as irrigants because of less detrimental effect on the hardness of root dentin. More studies are needed on demineralization depth and the sealability of resin sealers in the radicular dentin after the use of propolis and HEBP.


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