Effects of Different Photoactive Dyes on the Adhesion of Epoxy Resin–Based Root Canal Sealer

Aim: In this study, we aimed to evaluate the effects of four different photoactive dyes on dentin adhesion an epoxy resin-based root canal sealer.Methods: Sixty maxillary central incisors were used. Root canals prepared up size Reciproc #40, and 2.5 mL 5% NaOCl was used between each file. The teeth divided into six groups: Group 1, distilled water (the control group); 2, methylene blue; 3, toluidine 4, indocyanine green; 5, Congo red; 6, diode laser. After final irrigation, irrigated with dye. Laser irradiation applied for 1 min (940 nm wavelength, continuous mode, 1W). obturated sealer gutta-percha. Sections measuring 2 mm in thickness taken from apical, middle, coronal thirds roots push-out test.Results: Although caused a decrease bond strength values, there no statistically significant difference group or dyes. Diode laser increased strength, but again difference. Bond values decreased apical region (5.89±1.19, 3.93±0.76, 3.18±0.63 MPa, respectively).Conclusion: We observed that use support disinfection had negative effect sealer.