OMNICHROMA BLOCKER FLOW is a supplementary material designed for extensive class III and IV restorations or special cases that require masking stains. Functions: - To improve shade adaption and prevents OMNICHROMA FLOW from picking up the darkness of the oral cavity - To mask slight staining or discolored imperfections - To reconstruct a highly opaque toot Made in Japan 1 Syringe (3g/1.8mL)