Khanna, T., Gurav, S., IV, R., & DB, N. (2018). Influence Of Porcelain Thickness And Repeated Firings On The Color Of Metal - Ceramic Restorations - An In Vitro Study: Influence of Porcelain Thickness & Repeated Firings On The Color Of Metal - Ceramic Restorations. National Journal of Integrated Research in Medicine, 7(4), 132–139. https://doi.org/10.70284/njirm.v7i4.1119