Ozdogan, Alper, Zeynep Yesil Duymus, Ozlem Ozbayram, and Rabia Bilgic. 2019. “Effect of Different Bleaching Agents on the Surface Roughness and Color Stability of Feldspathic Porcelain”. Brazilian Dental Science 22 (2): 213-19. https://doi.org/10.14295/bds.2019.v22i2.1695.