Abdul-Razaq, Rola. “The Effect of Thermocycling and Different PH of Artificial Saliva on the Impact and Transverse Strength of Heat Cure Resin Reinforced With Silanated ZrO2 Nano-Fillers.”. Journal of Baghdad College of Dentistry 25, no. Special Is (1): 12-17. Accessed November 27, 2019. http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/192.