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:: Volume 22, Issue 3 (Foll Text in Persian 2010) ::
J Iran Dent Assoc 2010, 22(3): 151-160 Back to browse issues page
Evaluation of the effect of pre- and post-topical fluoride treatment on marginal microleakage of resin composite and glass ionomer restorations
Horiyeh Moosavi , Mahbobeh Shabzendedar * 1, Violet Shaibani
1- , shabzendedarm@mums.ac.ir
Abstract:   (15675 Views)

  Evaluation of the effect of pre- and post-topical fluoride treatment on marginal microleakage of resin composite and glass ionomer restorations

  

  Dr. Moosavi H .,1 Dr. Shabzendedar M .,2 Dr. Shaibani V .3

  1 Assistant Professor, Department of Operative Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran. 2 Assistant Professor, Department of Pediatric Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran. 3 Dentist.

 

  (Received 3 March, 2010 Accepted 16 August, 2010)

  

  Abstract

  

  Background and Aim : Fluoride has popularly been used as a caries prevention agent. This study evaluates the effect of fluoride gel (APF) on microleakage before and after restoration placement of tooth colored restorations .

  Materials and Methods : Eighty-four standard class V cavities were prepared and the specimens were randomly divided into three groups (n=14): Group 1- APF employed before cavity preparation Group 2- APF employed after completed restoration Group 3- without APF application (control). Buccal cavities were restored with OptiBond Solo adhesive system and Herculite XRV composite resin and lingual cavities were restored with Fuji II LC Glass ionomer. After finishing and polishing, thermal cycling followed by immersion in 0.5% basic fuchsin dye was performed. Then, the specimens were sectioned and microleakage was ranked under magnification (×40). Two teeth of each group were treated for SEM observation. Data were subjected to statistical analysis using Kruskal Wallis and Wilcoxon tests.

  Results : There were significant differences in enamel marginal microleakage of composite (14.68) and glass ionomer (16.00) restorations (p=0.02), but they similarly proceeded in dentinal margins (0.921). The dentinal margins (2.50) of the glass ionomer in control group showed more leakage than the enamel margins (0.00) (p=0.04). All experimental groups either before or after fluoride therapy, showed similar microleakage in the enamel and dentinal margins .

  Conclusion : APF employed was ineffective on microleakage before and after composite resin restoration placement. Microleakage could increase in enamel margins of resin modified glass ionomer restorations with fluoride therapy protocol .

  Key words : Microleakage – Fluoride - Glass ionomer - Composite resin .

 

  Corresponding Author : Dr. Shabzendedar M ., Assistant Professor, Department of Pediatric Dentistry, School of Dentistry, Mashhad University of Medical Sciences. Mashhad, Iran.

  e.mail: shabzendedarm@mums.ac.ir

 

Keywords: Microleakage, Fluoride, Glass ionomer, Composite resin .
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Type of Study: Research | Subject: Restorative Dentistry
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Moosavi H, Shabzendedar M, Shaibani V. Evaluation of the effect of pre- and post-topical fluoride treatment on marginal microleakage of resin composite and glass ionomer restorations. J Iran Dent Assoc 2010; 22 (3) :151-160
URL: http://jida.ir/article-1-772-en.html


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Volume 22, Issue 3 (Foll Text in Persian 2010) Back to browse issues page
Journal of Iranian Dental Association

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