Abstract
The purpose of this in vitro study was to evaluate the influence of different irrigation solutions on the microshear bond strength of a universal adhesive system applied in etch & rinse mode and self-etch mode to dentin-enamel junction (DEJ), coronal dentin, pulp chamber dentin, and floor of the pulp.
Highlights
As well as a highly adequate apical seal [1], an effective coronal seal [2], is one of the primary goals of a successful endodontic dental treatment
No statistically significant differences were found (P > 0.05) when bond strength was compared between etch-and-rinse mode, and self-etch mode of adhesive systems
Standard deviation, and statistical data obtained by irrigation solutions and adhesive system aplications are shown in Table 2 according to different regions
Summary
The specimens were randomly divided into 4 main groups according to the irrigation solutions used: Group 1-distilled water (control), Group 2-NaOCl [Sodium hypochlorite], Group 3-NaOCl combined with 17% EDTA [Ethylenediaminetetraacetic acid] and Group 4-chlorhexidin gluconate. Each main group was divided into the 2 subgroups (n = 15) according to the application mode of the Single Bond Universal Adhesive system. After applying the adhesive to the dentin, a vinyl tube was placed on the dentin-enamel junction and dentin surfaces, Filtek Bulk Fill Posterior composite was packed into the cylinder’s lumen and was light cured. The specimens were stored in water at 37 °C for 24 h. The data in MPa units were subjected to two-way analysis of variance (ANOVA) and Tukey’s test (α = 0.05). Scanning electron microscope analysis was performed on all tested samples
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