AP Volution Z Dentin ingots are designed for the shade specific Press & Stain technique. The technician can choose between the 16 main VITA color catecories A1, A2, A3, A3.5, A4, B1, B2, B3, B4, C1, C2, C3, C4 , D2, D3, D4. With the transpa dentin ingots, the technician is able to achieve the highest aesthetic results, comparable to the conventional layering technique.