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Dental Research Journal، جلد ۹، شماره ۵، صفحات ۰-۰
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عنوان انگلیسی Effect of phosphate-buffered saline on push-out bond strength of a new bioceramic sealer to root canal dentin
چکیده انگلیسی مقاله Background: The aim of this study was to compare push-out bond strength of a new bioceramic endodontic sealer, EndoSequence BC sealer (Brasseler USA, Savannah, GA), used with gutta-percha in the presence or absence of phosphate-buffered saline solution (PBS) within the root canals. Materials and Methods: Forty single-rooted human teeth were prepared and randomly divided into four groups. Samples in groups 1 and 2 were dried, but those in groups 3 and 4 were moistened with PBS before obturation. All root canals were obturated with gutta-percha/EndoSequence BC sealer. The specimens were stored in PBS for 7 days in groups 1 and 3 and for 2 months in groups 2 and 4. Push-out bond strength values and failure modes were evaluated. The data on push-out bond strength were analyzed using two-way ANOVA. Results: The mean value for the bond strength of the obturation material in moistened canals was signifi cantly higher than that in dried ones at 1 week ( P = 0.00). Contrarily, there was no signifi cant difference between dried and moistened root canals at 2 months ( P = 0.61). In dried canals, bond strength increased signifi cantly with time but in moistened ones, the difference was not signifi cant. Inspection of the specimens revealed the bond failure to be mainly cohesive for all groups. Conclusion: The presence of PBS within the root canals increased the bond strength of EndoSequence BC sealer/gutta-percha at 1 week. However, no difference was found between the bond strength of EndoSequence BC sealer/gutta-percha in the presence or absence of PBS in the root canals at 2 months. Key Words: Bioceramic, bond strength, phosphate-buffered saline, root canal sealer
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نویسندگان مقاله نوشین شکوهی نژاد | noushin shokouhinejad


عاطفه حسینی | atefeh hoseini


هدایت گرجستانی | hedayat gorjestani


مریم ریوف | maryam raoof


هادی اسدیان | hadi assadian


احمدرضا شمشیری | ahmad reza shamshiri


نشانی اینترنتی http://drj.mui.ac.ir/index.php/drj/article/view/1215
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article(s)
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