Description: CZR Enamel is a porcelain specially developed to make all ceramic crowns（bridges), using Alumina frameworks. CZR Body is a porcelain specially developed to make all ceramic crowns（bridges), using Alumina frameworks It does not cause any allergies It has the advantage to entirely cover black lines in the cervical area The thermal expansion of Cerabien is totally different from that of porcelain fused to metal Therefore, mixing or using with porcelain fused to metal is not recommended