Investigation of the effects of different chelating solutions on the microhardness and surface roughness of root canal dentin

Celalettin Topbaş(1), Özkan Adıgüzel(2), Özlem Çölgeçen(3)
(1) University of Istanbul Health Sciences, Faculty of Dentistry, Department of Endodontics, İstanbul, Turkey,
(2) Dicle University, Faculty of Dentistry, Department of Endodontics, Diyarbakır, Turkey,
(3) İzmir Katip Çelebi University, Faculty of Dentistry, Department of Prosthodontics, İzmir, Turkey

Abstract

Introduction: The purpose of this study is to examine the effect of different chelating solutions on microhardness and surface roughness of root canal dentin.


Methodology: The crowns of sixty recently extracted maxillary central incisors were separated by diamond burs from the cemento-enamel junction. Roots are divided longitudinally into two pieces with diamond saw. The obtained samples were embedded in autopolymeric-acrylic and the dentin-surfaces of the teeth were grounded. Micro-hardness and surface-roughness measurements were carried out before the chelating processes. First group, the specimens were treated with gel-formed 17% Ethylenediaminetetraacetic acid [EDTA] (JE), second group, specimens were treated with 17% Liquid-formed EDTA (LE), third group, specimens were treated with 20% Citric acid (CA), and the last group specimens were treated with 7% Maleic acid (MA) for 120 seconds. After application of the chelating agents, micro-hardness and surface-roughness measurements of all samples were performed again. The difference between the initial and final measurements was calculated and statistically analyzed. One Way Analysis of Variance ANOVA was used for statistical-analysis and statistically significant difference was observed between the groups (p <0.05).


Results: According to the test results, the microhardness of LE was statistically equal to that of JE and caused the least decrease in micro-hardness, SA decreased micro-hardness more than LE and JE, and MA decreased dentin micro-hardness more than all other solutions. And surface-roughness results are: MA increased surface-roughness more than other groups, SA and JE less roughened the dentin surface than MA, and there was no significant difference between the two solutions, LE caused less increase in dentin surface roughness compared to all solutions.


Conclusions: Besides the use of EDTA and SA, the clinical use of MA can be considered, and it should also be noted that EDTA differs in terms of surface roughness between liquid and gel forms.


 


How to cite this article: Topbaş C, Adıgüzel Ö, Çölgeçen Ö. Investigation of the effects of different chelating solutions on the microhardness and surface roughness of root canal dentin. Int Dent Res 2019;9(1):22-9.


 


Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

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Authors

Celalettin Topbaş
dt_c_topbas@hotmail.com (Primary Contact)
Özkan Adıgüzel
Özlem Çölgeçen
Topbaş, C., Adıgüzel, Özkan, & Çölgeçen, Özlem. (2019). Investigation of the effects of different chelating solutions on the microhardness and surface roughness of root canal dentin. International Dental Research, 9(1), 22-29. https://doi.org/10.5577/intdentres.2019.vol9.no1.4

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How to Cite

Topbaş, C., Adıgüzel, Özkan, & Çölgeçen, Özlem. (2019). Investigation of the effects of different chelating solutions on the microhardness and surface roughness of root canal dentin. International Dental Research, 9(1), 22-29. https://doi.org/10.5577/intdentres.2019.vol9.no1.4
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