Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2013  |  Volume : 16  |  Issue : 3  |  Page : 257-260

Placement in an acidic environment increase the solubility of white mineral trioxide aggregate


1 Department of Endodontic, Tabriz Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
2 Urmia Faculty of Dentistry, Urmia University of Medical Sciences, Urmia, Iran
3 Faculty of Pharmacy, Tabriz University of Medical Sciences, Research Center for Pharmaceutical Nanotechnology, Tabriz, Iran
4 Department of Physiology, Medical Faculty, Tabriz University of Medical Sciences, Tabriz, Iran

Correspondence Address:
Zahra Borna
Urmia Faculty of Dentistry, Urmia University of Medical Sciences, Urmia
Iran
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Source of Support: Tabriz Faculty of Dentistry, Tabriz University of Medical Sciences, Conflict of Interest: None


DOI: 10.4103/0972-0707.111328

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Aims: The aim of the present study was to evaluate solubility of white mineral trioxide aggregate (WMTA) in an acidic environment. Materials and Methods: Twenty-four metal rings were prepared, filled with WMTA and randomly divided into two groups. The samples in groups 1 and 2 were set in synthetic tissue fluid with pH values of 7.4 and 4.4, respectively and then were transferred to beakers containing synthetic tissue fluid with pH values of 7.7 and 4.4. Solubility of WMTA samples were calculated at the 9 experimental intervals. Data was analyzed with two-factor ANOVA and Bonferroni test ( P < 0.03). Results: The total solubility of WMTA in groups 1 and 2 were −9.1796 ± 1.9158% and −1.1192 ± 2.6236%, ( P = 0.028) with weight changes of 9.1574 ± 2.1432% and 7.3276 ± 1.5823%, respectively ( P = 0.002). Statistical analysis revealed significant differences between the two groups. Conclusions: It was concluded that solubility of WMTA increases in acidic environments and additional therapeutic precautions should be taken to decrease inflammation in endodontic treatment.


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