Hadi, A., Massoumi, F. and Mossaei, A. 2019. Effect of Opaque Porcelain Thickness Bond Strength of Porcelain to Ni-Cr Alloys. Journal of Dental School, Shahid Beheshti University of Medical Sciences. 34, 2 (Mar. 2019), 73–81. DOI:https://doi.org/10.22037/jds.v34i2.24678.