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PURPOSE: The aim of this study was to evaluate the effect of dyes used in photodynamic therapy (PDT) on color changes of resin-based composites (RBCs). METHODS: ), and final colors were measured. Data were analyzed by the three-way ANOVA and Bonferroni tests (α = 0.05). RESULTS: < 3.3). CONCLUSION: The intensity of staining of the RBCs differed according to the type of photosensitizer used and the content of the composite resin. The irrigant NaOCl was effective in removing discoloration.
Özkoçak et al. (Sat,) studied this question.