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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۸، شماره ۴، صفحات ۲۱۰-۲۱۷
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عنوان انگلیسی Effect of sodium ascorbate and delayed bonding on the bond strength of silorane and two-step self-etch adhesive systems in bleached enamel
چکیده انگلیسی مقاله Background and aims. Studies have shown decreased bond strength of composite resin to human and bovine bleached enamel. This study evaluated the effect of sodium ascorbate and delayed bonding on the bond strength of two adhesive systems to bleached enamel. Materials and methods. The labial surfaces of 150 sound bovine incisor teeth were abraded with abrasive paper. The teeth were randomly divided into 8 groups: A: control; B: bleached with 35% hydrogen peroxide; C: bleached with 35% hydrogen peroxide + sodium ascorbate gel; and D: bleached with 35% hydrogen peroxide + delayed bonding. In groups A‒D, silorane adhesive system and Filtek silorane composite resin were used. In groups E‒H, the same preparation methods of groups A‒D were used. Two-step self-etch Clearfil SE Bond adhesive systems and AP-X composite resin were administered. Shear bond strength of each group was measured. Two samples were prepared for each surface preparation for ultra-structural evaluation. Two-way ANOVA and Tukey test were used for data analysis at P< 0.05. Results. The interaction between the adhesive system type and surface preparation protocol was significant (P=0.014), with significant differences in shear bond strengths in terms of the adhesive systems (P< 0.01). There were significant differences in shear bond strength in terms of surface preparation techniques irrespective of the adhesive system (P< 0.01). Conclusion. The results showed that bleaching with 35% hydrogen peroxide decreased the shear bond strength values with both adhesive systems, and a one-week delay in bonding and 10% sodium ascorbate for 10 minutes restored the bond strength in both adhesive systems.
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نویسندگان مقاله مهدی عابد kahnemooyi | mehdi abed kahnemooyi


امیر احمد عجمی | amir ahmad ajami


سودابه کیمیایی | soodabeh kimyai


فاطمه pournaghiazar | fatemeh pournaghiazar


سیاوش سوادی اسکویی | siavash savadi oskoee


محمد علی محمدی ترکانی | mohammad ali mhammadi torkani


نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/1188
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/183/article-183-319703.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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