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