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:: Volume 23, Issue 3 (Foll Text in Persian 2011) ::
J Iran Dent Assoc 2011, 23(3): 162-170 Back to browse issues page
The effects of different surface treatments of a fiber post on its bond strength with a composite core in endodontically treated teeth
Masoumeh Hasani-Tabatabaei , Esmaeil Yasini , Mansoreh Mirzaei , Ali Soltanirad * 1
1- , dr.alisoltanirad@yahoo.com
Abstract:   (12927 Views)

  The effects of different surface treatments of a fiber post on its bond strength with a composite core in endodontically treated teeth

  

  Dr. Hasani-Tabatabaei M.,1 Dr. Yasini E.,2 Dr. Mirzaei M.,3 Dr. Soltanirad A.4

  1 Associate Professor, Department of Operative Dentistry, School of Dentistry, Tehran University of Medical Sciences. Tehran, Iran. 2 Professor, Department of Operative Dentistry, School of Dentistry, Tehran University of Medical Sciences. Tehran, Iran. 3 Assistant Professor, Department of Operative Dentistry, School of Dentistry, Tehran University of Medical Sciences. Tehran, Iran. 4 Specialist in Operative Dentistry .

  

  (Received 5 April, 2010 Accepted 14 June, 2011)

  

  Abstract

  

Background and Aim: In order to improve the bond strength between fiber post and composite core, many surface treatment procedures have been performed on posts. The aim of this study was to investigate the effects of different surface treatments of a quartz fiber post (DT Light Post) on its bond strength with a composite core (Clearfil Photocore) after water storage and thermocycling. Materials and Methods : In this interventional, in-vitro study, fifty human canine teeth were endodontically treated and post spaces were prepared. A total of fifty fiber posts were divided into five groups according to the surface treatment preformed as control (no treatment), silanenized, sandblasted, sandblasted and silanized, etched with hydrofluoric acid and silanized. After cementation of posts with Panavia F2 in the canals, composite cores were built on them. Consequently, the core parts were cut and stored in deionized water at room temperature for three months. Then thermocycling in 3000 cycles was performed between 5°C and 55°C. Then two 1 mm-diameter slices were obtained from each core. Finally, bond strength was measured by the push out test. Data were analyzed with one-way ANOVA. Results : Data of all five groups followed normal distribution, but there were no significant differences between them. The sandblasted and silanized group had the highest bond strength (11.3±4.6) and the control group had the lowest bond strength (9.6±3.7). Conclusion : In this study, sandblasting, etching with hydrofluoric acid and silanization did not increase the bond strength between fiber post and composite core.

  Key words : Surface treatment – Fiber post – Bond strength – Composite core

  

  

  Corresponding Author : Dr. Soltanirad A ., Specialist in Operative Dentistry .

e.mail: dr.alisoltanirad@yahoo.com

 

Keywords: Surface treatment, Fiber post, Bond strength, Composite core
Full-Text [PDF 281 kb]   (3397 Downloads)    
Type of Study: Research | Subject: Restorative Dentistry
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Hasani-Tabatabaei M, Yasini E, Mirzaei M, Soltanirad A. The effects of different surface treatments of a fiber post on its bond strength with a composite core in endodontically treated teeth. J Iran Dent Assoc 2011; 23 (3) :162-170
URL: http://jida.ir/article-1-1093-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 23, Issue 3 (Foll Text in Persian 2011) Back to browse issues page
Journal of Iranian Dental Association

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