Finishing zirconia when it comes out of the milling unit is referred to as zirconia in the green state.  There are a few steps that can be taken to really improve the surface quality of the green zirconia, and once sintered will save finishing time. The technique in this video is applicable to the zirconia brands in our CEREC clinical theater (ZirCAD LT, ZirCAD Multi, Katana STML, CEREC Zirconia, and InCoris).