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    The effect of final irrigation agents on push-out bond strength of calcium silicate-based cements to dentin
    (2023) Yeniçeri Özata, Merve; Falakaloğlu, Seda; Batur, Muharrem; Adıgüzel, Özkan; Goncharuk-Khomyn, Myroslav
    Aim: This aim of this study was to compare the effects of different chelating agents [ethylenediaminetetraacetic acid (EDTA), glycolic acid (GA) and citric acid (CA)] on the push-out bond strength (POBS) of two calcium silicate-based silicate cements (CSC) (Biodentine and PD MTA White). Methodology: Dentin discs of 1 ± 0.2 mm thickness were taken from the middle root region of thirty-nine extracted mandibular premolar teeth and two holes (1 mm diameter) were drilled in each disc (n = 78 holes). The samples were then randomly divided into three groups (n = 26 holes) according to the final irrigation agents: Group 1: 20% CA, Group 2: 17% EDTA, Group 3: 10% GA. Then, two different materials were applied to the holes in each group (n = 13 holes): a: PD MTA White, b: Biodentine. POBS test was performed at a crosshead speed of 0.5 mm/min. The dentin discs were examined under stereomicroscope (25×) to assess the bond failure type. Data were analyzed using a two-way analysis of variance (ANOVA) and comparison of main effects was examined with the Bonferroni test, and multiple comparisons were analysed with the Tukey HSD test. The level of signifcance was 5%. Results: Biodentine showed significantly higher POBS than PD MTA White (p < 0.05). There was no significant difference between the final irrigation agents (p > 0.05). CA – Biodentine group showed substantially higher POBS than EDTA – PD MTA White, CA – PD MTA White, and GA – Biodentine groups (p < 0.05). Conclusion: While CA increased the POBS of Biodentine significantly, the POBS of PD MTA White was not affected by the final irrigation agents.