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:: Volume 31, Issue 2 (4-2019) ::
J Islam Dent Assoc Iran 2019, 31(2): 109-116 Back to browse issues page
Evaluation of Topical Pre-Fluoride Therapy Effects on Marginal Microleakage of Composite Restorations in Deciduous Teeth: An In Vitro Study
Mina Biria1, Hasan Torabzadeh2, Elmira Ghazanfari3, Atefeh Gohari4, Negin Eslami Amirabadi5, Sanaz Kamareh *6
1- Associate Professor, Department of Pediatric Dentistry, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2- Preventive Dentistry Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3- Dentist, Private Practice, Tehran, Iran
4- Postgraduate Student, Department of Endodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5- Dentistry Student, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
6- Postgraduate Student, Department of Pediatric Dentistry, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran , sanaz.kamareh@gmail.com
Abstract:   (24 Views)
Background and Aim: Since fluoride therapy is usually the first step of treatment in pediatric dentistry and it may interfere with other treatments, such as composite fill-ing, this study aimed to evaluate the possible effects of topical pre-fluoride therapy on marginal microleakage of composite restorations in deciduous teeth.
Materials and Methods: In this in-vitro study, 30 deciduous canines were randomly allocated to five groups: 1.23% acidulated phosphate fluoride (APF) gel was used in two groups, while 2% sodium fluoride (NaF) gel was used in the other two groups. Thirty minutes and two weeks after fluoride therapy, Class V cavities were prepared and restored using composite resins. After thermocycling, the teeth were soaked in 0.5% fuchsine solution and were sagittally sectioned in half. The extension of dye penetration into the occlusal and gingival walls was investigated un-der a stereomicroscope at ×30 magnification and scored using a 0-3 scoring system. Data were analyzed using Kruskal-Wallis and Wilcoxon signed-rank tests.
Results: Marginal microleakage was neither affected in enamel walls (P=0.213) nor in dentinal walls (P=0.851). The scores of microleakage in enamel walls were lower than that in dentinal walls, and this difference was statistically significant (P<0.05).
Conclusion: Topical fluoride therapy using 1.23% APF or 2% NaF gel before the placement of composite resin restorations has no negative effect on marginal microleakage.
Keywords: Fluoride, Deciduous Teeth, Composite Resin, Dental Leakage
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Type of Study: Orginal | Subject: Pediatric Dentistry
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Biria M, Torabzadeh H, Ghazanfari E, Gohari A, Eslami Amirabadi N, Kamareh S. Evaluation of Topical Pre-Fluoride Therapy Effects on Marginal Microleakage of Composite Restorations in Deciduous Teeth: An In Vitro Study . J Islam Dent Assoc Iran. 2019; 31 (2) :109-116
URL: http://jidai.ir/article-1-2035-en.html


Volume 31, Issue 2 (4-2019) Back to browse issues page
Journal of Islamic Dental Association of Iran

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