In Vitro Comparison of Coronal Micro-leakage of Three Temporary Restorative Materials by Dye Penetration

Manijeh Mohammadian; Tahereh-Sadat Jafarzadeh-Kashi

Zahedan Journal of Research in Medical Sciences

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In Vitro Comparison of Coronal Micro-leakage of Three Temporary Restorative Materials by Dye Penetration

Author(s):

Manijeh Mohammadian^1,*,

Tahereh-Sadat Jafarzadeh-Kashi¹

1Department of Dental Materials, Research Center for Science and Technology in Medicine, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

Zahedan Journal of Research in Medical Sciences:Vol. 15, issue 1; e93136

Published online:Apr 08, 2012

Article type:Research Article

Received:Jun 13, 2011

Accepted:Aug 25, 2011

How to Cite:Manijeh MohammadianTahereh-Sadat Jafarzadeh-KashiIn Vitro Comparison of Coronal Micro-leakage of Three Temporary Restorative Materials by Dye Penetration.Zahedan J Res Med Sci.15(1):e93136.

Abstract

Background : It is necessary to seal the dental access cavity which is under root canal treatment with temporary restorative materials. For this purpose, the main attention in selecting the temporary restorative material during endodontic treatments is drawn to the sealing ability. The purpose of this study is to investigate the coronal sealing ability of 3 temporary filling materials, Cavizol, Coltosol, and Zonalin through DPI (Dye Penetrant Inspection).
Materials and Methods : In this study, 98 extracted with no decay mandibular and maxillary molar teeth were used. The teeth were divided into 3 experimental groups of 30 teeth and two positive and negative control groups of 4 teeth. In the experimental group, 4×4mm endodontic access cavity was created on the occlusal surface and in each experimental group the teeth were filled with Cavizol, Coltosol, and Zonalin. In the positive control group, access cavity was created but restorative material was not used. In the negative control group, access cavity was not created. Experimental groups (teeth) were placed in normal saline for 2 hours. Then, the first, second and third groups were immersed in methylene blue dye for 24 hours, 1 week, and 4 weeks, respectively.
Results : Zonalin showed significantly more (micro) leakage than Coltosol and Cavizol. Cavizol also showed more leakage than Coltosol, but there was no significant difference between them.
Conclusion : According to the results of the study, Coltosol and Cavizol are suitable for dressings with less than one week duration because of better sealing. In case the interval between treatment sessions lasts more than a week, the dressing should be replaced.

Keywords

Leakage

Coltosol

Temporary restorative material

Dye penetration

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