Emam M, El-Etreby A, Younis JF. Fracture Resistance and Strain Analysis of Zirconia Copings With Vertical Knife Edge and Three Horizontal Finish Line Designs; Chamfer, Deep Chamfer and Shoulder With Two Cementation Techniques. BDS. 2021;24(4). doi:10.14295/bds.2021.v24i4.2529