This study evaluated the effect of resin coating using an all-in-one adhesive system on the dentin bond strength of a dual-cure resin cement after different curing modes. Human molars were ground to obtain flat dentin surfaces and divided into three groups: untreated as a control and resin-coated with either a single- or double-application of an all-in-one adhesive (Tokuyama Bond Force). The specimens were bonded to indirect composite disks using a dual-cure resin cement (Bistite II) activated by dual-cure or self-cure modes. Each specimen was sectioned into beams for the microtensile bond strength test. The data were analyzed by two-way ANOVA with Bonferroni's correction (p=0.05). Resin coating with a double-application of the all-in-one adhesive system significantly improved the bond strength of the dual-cure resin cement to dentin. In addition, dual-curing of the resin cement enhanced the bond strengths to dentin.
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