The APVolution S is a silicate reinforced, high strength porcelain. This material is ideal for single crowns, veneers and inlays/onlays up to 3 unit bridges. (400MPa)
High Translucency or HT and HT+
This material shows a high translucency level to cover stump shades with no discoloration. 
 
Indication: In order to get a natural looking crown, the HT ingots can be used for the press and stain technique. The overall appearance will be a natural translucent looking crown. 
 
The HT+ ingots are designed for thin veneers or inlay only restorations offering a maximum of translucency.