Emax crown is composed of lithium disilicate and has properties like superior aesthetics of zirconia, but it is stronger than zirconia. Emax crown is a preferred type due to its aesthetics and strength. This combination makes it a preferred choice. It is mainly of two types – standard and monolithic. The standard variety has two layers – inner coping and outer covering layer. The coping layer is responsible for strength and durability. The outer covering is for aesthetics.