Kumar, C Gyan, DP Shruthi, K Sounder Raj, D Kalpana, and G Harish. “Zirconia: Substitute for Metal Ceramics”. Journal of Orofacial Research 4, no. 4 (January 1, 1970): 209–212. Accessed December 5, 2025. https://www.mansapublishers.com/jofr/article/view/2013.