reaches to 1530'c 2 the colors change naturally 3 the incisal the final preparation shows finishing line far from the 义获嘉 ivoclar vivadent 易美全瓷瓷粉 透明瓷 c粉 20g ips e. 40 °tmj eminence angle 10° bennet angle 40° incisal guide 24 cross polarized picture shows internal structures of tooth