Afridi, S. .; Khan, S. .; Raza, M. .; Khan, A. .; Khan, H. .; Zubair, N. . Frequency of Various Grades of Failure and Their Number of Units Involved in Non Maintained Metal Ceramic Fixed Dental Prosthesis: Non Maintained Metal Ceramic Fixed Dental Prosthesis. PJHS 2022, 3, 120-123.