Indirect restorative material system is the result of science born from the success of Herculite XRV™, belleGlass™ NG, and Premise™. Premise Indirect utilizes the same "optimized trimodal polymerization" as belleGlass NG, the most respected indirect restorative of its kind. Improved shading and polishability creating a long-lasting, smooth polish. Also offers increased opacity in the facial dentins, which produces a natural look and wear.