Impact of the diameter of zirconium oxide posts system in three point bending test - Jurukovska-Shotarovska V, Kapushevska B, Naumovski B, Mijoska A, Evrosimovska B, Cvetanovska Stojcheva D, Jovanovski S. (Македонско Стоматолошко Друштво, 2015;, 2015)