Opaque zirconium oxide
Cercon base, the zirconia classic is also available in 98 mm Discs. Cercon base is particularly suitable for covering discolored dies or titanium abutments. Cercon base is available in 3 shades: white, medium and colored.
More Info at :
CAD/CAM Materials for Dental Labs | Dentsply Sirona MENA
Translucent Pre-Dyed Zirconium Oxide Blocks
Multi Transitional Layer Zirconia
Stain & Glaze for the CAD/CAM Procedure.