Effect of sodium ascorbate on the bond strength of all-in-one adhesive systems to NaOCl-treated dentin
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Effect of sodium ascorbate on the bond strength of all-in-one adhesive systems to NaOCl-treated dentin

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Effect of sodium ascorbate on the bond strength of all-in-one adhesive systems to NaOCl-treated dentin

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dc.contributor.author Ebrahimi Chaharom, Mohammad Esmaeel es
dc.contributor.author Kimyai, Soodabeh es
dc.contributor.author Mohammadi, Narmin es
dc.contributor.author Oskoee, Parnian Alizadeh es
dc.contributor.author Daneshpuy, Mehdi es
dc.contributor.author Bahari, Mahmood es
dc.date.accessioned 2016-01-20T12:12:20Z
dc.date.available 2016-01-20T12:12:20Z
dc.date.issued 2015 es
dc.identifier.uri http://hdl.handle.net/10550/50174
dc.source Ebrahimi Chaharom, Mohammad Esmaeel ; Kimyai, Soodabeh ; Mohammadi, Narmin ; Oskoee, Parnian Alizadeh ; Daneshpuy, Mehdi ; Bahari, Mahmood. Effect of sodium ascorbate on the bond strength of all-in-one adhesive systems to NaOCl-treated dentin. En: Journal of Clinical and Experimental Dentistry, 2015, Vol. 7, No. 5: 595-599 es
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of sodium ascorbate on the bond strength of all-in-one adhesive systems to NaOCl-treated dentin es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.description.abstractenglish Background: Ascorbic acid and its salts are low-toxicity products, which are routinely used in food industries as antioxidants. The aim of the present study was to evaluate the effect of 10% sodium ascorbate on the bond strength of two all-in-one adhesive systems to NaOCl-treated dentin. Material and Methods: After exposing the dentin on the facial surface of 90 sound human premolars and mounting in an acrylic resin mold, the exposed dentin surfaces were polished with 600-grit SiC paper under running water. Then the samples were randomly divided into 6 groups of 15. Groups 1 and 4 were the controls, in which no surface preparation was carried out. In groups 2 and 5 the dentin surfaces were treated with 5.25% NaOCl alone for 10 minutes and in groups 3 and 6 with 5.25% NaOCl for 10 minutes followed by 10% sodium ascorbate for 10 minutes. Then composite resin cylinders, measuring 2 mm in diameter and 2 mm in height, were bonded on the dentin surfaces in groups 1, 2 and 3 with Clearfil S 3 Bond and in groups 4, 5 and 6 with Adper Easy One adhesive systems according to manufacturers’ instructions. The samples were stored in distilled water for 24 hours at 37°C and then thermocycled. Finally, the samples underwent shear bond strength test in a universal testing machine at a strain rate of 1 mm/min. Data were analyzed with two-way ANOVA and post hoc Tukey tests at α=0.05. Results: The differences between groups 1 and 2 ( P =0.01), 1 and 5 ( P =0.003). 1 and 6 ( P =0.03) and 4 and 5 ( P =0.03) were statistically significant. Two-by-two comparisons did not reveal any significant difference between other groups ( P >0.05). Conclusions: Use of 10% sodium ascorbate for 10 minutes restored the decreased bond strength of the adhesive systems to that of the control groups. es

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