Effect of Zirconia Coping Design on Fracture Resistance of Veneering Porcelain in All-Ceramic Posterior Crowns

Abdol Hamid Alhavaz, Mohammad Ali Bagheri, Sadegh Pour Ahmadi, Mojtaba Ramezani and Ali Bijani

Journal of Engineering and Applied Sciences 12 ( 6 ): 1623 - 1628 , 2017