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:: Volume 21, Issue 3 (Foll Text in Persian 2009) ::
J Iran Dent Assoc 2009, 21(3): 194-201 Back to browse issues page
Microleakage in core build up composite resins
Horiyeh Moosavi * 1, Mostafa Moazzami , Soheyl Salary , Shaghayegh Loh
1- , e.mail:moosavih@mums.ac.ir
Abstract:   (17435 Views)

Microleakage in core build up composite resins

Dr. Moosavi H.,1 Dr. Moazzami M.,2 Dr. Salary S., 3 Dr. Loh SH. 4

1 Assistant Professor, Department of Operative Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran. 2 Associate Professor, Department of Operative Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran. 3 Resident, Specialty Program, Department of Orthodontic Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran. 4 Dentist

(Received 22 Feb, 2009 Accepted 22 Sep, 2009)

Abstract

Background and Aim: Composite resin cores with pre-fabricated posts are commonly used to restore endodontically treated teeth. This study compared the sealing ability of Core Max II and Clearfil photocore by Panavia F 2.0 cement, with and without adhesive.

Materials and Methods: Crowns of sixty recently extracted human second premolar teeth were cut 3 mm above the CEJ. After preparing proximal boxes and finishing root canal therapy, the teeth were randomly divided into four groups of fifteen teeth each. The Dentatus # 2 Long pins with approximately 8 mm length were cemented in canals. In the first two groups, Core Max II with adhesive (group 1) and without adhesive (group 2) was applied for cementation. Pins in the other two groups were cemented with Clearfil photocore composite and Panavia F 2.0 cement with adhesive (group3) and without adhesive (group 4). After 24 hours, specimens were thermally cycled for 500 cycles. Then the teeth were sealed with nail varnish beyond 1 mm of restoration margins and immersed in a 0.5% fuschin solution. Afterwards samples were embedded in epoxy resin, sectioned mesiodistally and observed under 20 x magnification. The microleakage was recorded as the amount of dye penetration in the route connecting the proximal boxes to the end of the pin. ANOVA and Tukey tests served for statistical analysis.

Results: The first (61.57±14.24) and fourth (12.37±13.85) groups had the highest and the lowest value of microleakage, respectively. Using adhesive for both cements reduced microleakage (P<0.05).

Conclusion: Panavia cement had less microleakage compared to Core Max II. Key words: Dental Leakage – Post and Core Technique – Composite Resins.

Corresponding Author: Dr. Moosavi H., Assistant Professor, Department of Operative Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran.

e.mail: moosavih@mums.ac.ir

Keywords: Dental Leakage, Post and Core Technique, Composite Resins.
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Type of Study: Research |
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Moosavi H, Moazzami M, Salary S, Loh S. Microleakage in core build up composite resins. J Iran Dent Assoc 2009; 21 (3) :194-201
URL: http://jida.ir/article-1-637-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 21, Issue 3 (Foll Text in Persian 2009) Back to browse issues page
Journal of Iranian Dental Association

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This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly

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