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Objective The aim of this study was to assess the effectiveness of erbium, chromium–doped yttrium scandium gallium garnet (Er,Cr:YSGG) using radial firing tips in dye removal from simulated narrow curved canals (20°). Material and methods Sixty polyester resin blocks were mechanically prepared up to ISO 30/0.07 and divided into six groups (n = 10). Each resin block was filled with red fuchsine dye...