IPS Empress CAD - LT Block, Shade B1 Size C14, 5/Pk. IPS Empress CAD is a system of composite (leucite-based) ceramic blocks that are commonly used for CAD/CAM dental restorations using CEREC and inLab systems. LT blocks feature a lower degree of translucency, making them ideal for most full coverage restorations (e.g., full crowns, large partial coverage restorations and veneers). Creates tooth-like restorations comparable to natural teeth. Highly aesthetic. Reliable strength. Comes in a large selection of shades. IPS Empress CAD milling blocks offer superb aesthetics and teeth-like translucence. Because of their chameleon effect, dental restorations produced using IPS Empress CAD look natural among the surrounding teeth.The restorative materials also offer increased durability for long-lasting dental restorations. IPS Empress CAD preparations are highly trimmable and polishable.Available in a wide variety of shades.