Zirconia-based restorations are suitable for a wide range of crown and bridge applications, for anterior and most posterior crown and bridge requirements. Zirconia ceramics are used for fixed restorations as a framework due to their mechanical and optical properties.
Benefits
Considerations
FMZ (Full Monolithic Zirconia) |
PFZ |
IPS e.max® Zirpress | |
Material | High translucency zirconia | Veneered zirconia | Veneered zirconia |
Aesthetics | ✓ ✓ | ✓ ✓ ✓ | ✓ ✓ ✓ |
Translucency | ✓ ✓ | ✓ ✓ ✓ | ✓ ✓ ✓ |
Durability | ✓ ✓ ✓ ✓ ✓ | ✓ ✓ ✓ | ✓ ✓ ✓ |
Margins | Shoulder/chamfer | Shoulder/heavy chamfer | Shoulder/heavy chamfer |
Flexural strength | 1200 MPa | 90 MPa (porcelain) 1200 MPa (substructure) |
120 MPa (porcelain) 1200 MPa (substructure) |
Indications | Crowns Inlays/Onlays (limited) |
Crowns Inlays/Onlays Inlay bridges/Maryland (limited) Bridges |
Crowns Inlays/Onlays Inlay bridges/Maryland (limited) Bridges |
Colour | 12 shades | 8 framework shades | 8 framework shades |
Bonding | Conventional | Conventional | Conventional |
Stain resistance | ✓ ✓ ✓ ✓ ✓ | ✓ ✓ ✓ ✓ ✓ | ✓ ✓ ✓ ✓ ✓ |
Span/ingot size | 4 units anterior 3 units posterior |
Up to 6 units Full arch possible |
Up to 6 units Full arch possible |