Modern PFZ
The sub-structure of these versatile restorations are scanned, milled, and sintered for an especially strong foundation. Porcelain is then hand layered on top to allow for a natural appeal.
Indications
Anterior & Posterior: crowns and bridges (up to 9 units)
Implant supported crown & bridge
ADVANTAGES/BENEFITS
Premium esthetics
Internal coloring/characterization
PFM replacement
Natural light transmission (no “grey line”)
1.5mm of axial reduction, 360 degree rounded-chamfer margins preferred
CAD/CAM designed & Milled substructure
Cost effective
Vita shades
Disadvantages
Must have at least 1.2mm of reduction for optimum esthetics
Materials
Sub-Structure: Metoxit yttria-stabilized zirconia
>1,000 MPa Flexural Strength
Core translucency= 0.98 @ 0.3 mm thick
Yttria stabilized zirconia is Dental Direkt – a German ISO 13485 certified manufacturer
Overlay Material: VITA VM®9 fine-grain porcelain
<120 MPa Flexural Strength
Process
Sub-Structure: Scanned, milled, and sintered
Overlay: Hand stack and oven fire porcelain
Additional Resources:
Preparation Guide – Full Ceramic Restorations
Cementation Guide