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.
Advantages
- 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
Indications
- Anterior: single crowns & bridges
- Posterior: single crowns & bridges
- Implant supported crown & bridge
Material
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