Zirconia-Based

Also available in the Quest Range. FMZir also available in the Quick Quest Range.

 

 

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

  • Zirconia frameworks exhibit excellent long-term stability
  • Monolithic zirconia is strong, accurate and resistant to fracture and crack propagation

Considerations

  • PFZ should be avoided in bruxers or patients with parafunctional activities
  • Care with case selection for extensive implant-borne zirconia frameworks
  • Full coverage zirconia-based restorations with adequate retention do not need resin bonding. Zirconia-based crowns and bridges with good retention can be cemented with resin-modified glass ionomer. If retention is compromised, a resin cement with prior application of a separate self-etching bonding agent is suggested or silica coating eg. CoJet™ or Rocatec™
  • Ceramics employed are issued with US IdentCeram® certificates to verify the American Dental Association classification and content of the restorative materials

 

  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