Different Designs of Deep Marginal Elevation and Its Influence on Fracture Resistance of Teeth with Monolith Zirconia Full-Contour Crowns oleh Ali Robaian, Abdullah Alqahtani, Khalid Alanazi, Abdulrhman Alanazi, Meshal Almalki, Anas Aljarad, Refal Albaijan, Ahmed Maawadh, Aref Sufyan, Mubashir Baig Mirza