Make it e.max®, because it matters

A third-party comparative study of the translucency of different zirconia materials and IPS e.max showed that even in one of the lowest translucency formulations, IPS e.max LT s better light transmittance than ultra-translucent zirconia materials. IPS e.max goes even further by offer MT (Medium Translucency) and HT (High Translucency) for situations where light transmittance is critical.

JPD, April 2016, A comparative evaluation of the translucency of zirconias and lithium disilicate for monolithic restorations, K. Harada, A. Raigrodski, KH. Chung, B. Flinn, S. Dogan, L. Mancl