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An In vitro Evaluation of the Effect of Four Dentin Bonding System on the Bond Strength between Quartz Fiber Post and Composite Core
چکیده:   (1338 مشاهده)
Statement of Problem: A strong bond of fiber post to resin core, as well as to dentin would critically ensure the durability of restorations in endodontically treated teeth. 
  Purpose: The purpose of this study was to evaluate the effect of etch-and-rinse dentin bonding systems on the bond strength between resin core and fiber post after application of 24% hydrogen peroxide. 
  Materials and Method: 24 fiber posts (RTD St. Egèven, France) were treated with 24% hydrogen peroxide for 10 minutes. They were randomly divided into 4 groups (n=6) based on the bonding agent used: Group P: Prime&Bond, Group O: One Step, Group S: Single Bond and Group E: Excite. Each group was prepared according to the manufacturer’s instructions. For all posts, a flowable composite core (ÆliteFlo Bisco, USA) was built-up over the bonded area. Each specimen was sectioned to produce 2 sticks, 1mm in thickness and underwent microtensile bond strength (µTBS). Data were analyzed using one-way ANOVA at the 0.05 level. The fractured surfaces of all sticks were evaluated by stereomicroscope (× 20). Scanning electron microscopy(SEM) assessment of two sticks from each group was performed to evaluate the surface morphology.
Results: The means and SDs of µTBS were: Group P: 10.95±1.74 Group S: 10.25±2.39 Group E: 9.52±2.07 and Group O: 9.12±1.34. There was no statistically significant difference in bond strength means between the groups tested (p> 0.05).
Conclusion: The results of this study indicated the bonding agents used had no significant influence on the bond strength of fiber post to composite core.

Source: Journal of Dentistry Shiraz University of Medical Sciences

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نوع مطالعه: پژوهشي | موضوع مقاله: ترمیمی
دریافت: 1394/6/3 | پذیرش: 1394/6/3 | انتشار: 1394/6/3
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An In vitro Evaluation of the Effect of Four Dentin Bonding System on the Bond Strength between Quartz Fiber Post and Composite Core. 1. 1390;

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Creative Commons License این مقاله تحت شرایط Creative Commons Attribution-NonCommercial 4.0 International License قابل بازنشر است.
جلد 0 - ترمیمی برگشت به فهرست نسخه ها
جامعه اسلامی دندانپزشکان Islamic Dental Association of IRAN

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