Volume 21, Issue 3 (Dental Supplement 2013)                   JSSU 2013, 21(3): 350-359 | Back to browse issues page

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Davari A, DaneshKazemi A, Shahboli Ardakani M, Momeni Sarvestani M. Investigating the Effect of Different Light Sources on the Microtensile Bond Strength of Two Types of Adhesives to Dentin. JSSU. 2013; 21 (3) :350-359
URL: http://jssu.ssu.ac.ir/article-1-2179-en.html
Abstract:   (8281 Views)
Introduction: Different light sources influence restoration bond strength. Therefore the purpose of this study was evaluation of the microtensile bond strength of two types of sixth generation adhesives in different light sources. Methods: some sound human molars were collected. 10 sample in each group was prepared that totally 60 samples were investigated. In each tooth some dentinal specimen was prepared in buccal surface using diamond bur after abrading the enamel. Composite resin (Z250) was inserted in form of a layer using a Clearfil SE bond and Adper prompt L-POP adhesives. Both adhesives were polymerized using different light curing units including QTH at 600mW/cm2, LED at 400mW/cm2, PAC at1200mW/cm2, G1-Adper /LED, G2-Adper /Plasma, G3-Adper /QTH, G4-SE/LED, G5-SE /Plasma, G6-SE /QTH. The restorations were sectioned with 1mm thickness per teeth. All specimens were then subjected to microtensile testing machines. Then, data were analyzed using SPSS software, ANOVA and T-test. Results: Clearfil SE /Plasma arc group had the highest bond strength. The bond strength of Adper prompt L-POP significantly varied in different light sources (p<0.05). Significant difference was observed between Adper and SE (p<0.05) while using LED. Conclusion: This study showed that various light sources have different influence on bond strength.
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Type of Study: Original article | Subject: Dental
Received: 2012/11/21 | Accepted: 2013/09/28 | Published: 2013/09/28

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