Khanna, Tulika, Sandeep Gurav, Rudraprasad IV, and Nandeeshwar DB. 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):132-39. https://doi.org/10.70284/njirm.v7i4.1119.