Sandwich design 

Minimally invasive features: The lip and palate (tongue) are separated and placed in position, which is very effective in restoring the occlusal relationship on the palatal side with no preparing or less preparing, restoring shape and improving color on the labial side, replacing some crown restorations   Indications: Severe tooth wear, reconstructed occlusion, and improved anterior occlusion   Raw materials for production: lithium disilicate, feldspar, zirconia, resin