The zirconia for restorations without veneering



Prettau® Zirconia is the material of choice for frequently occurring problems like reduced available space, bruxism or ceramic chipping. It offers a functional and at the same time aesthetical solution.

This, highly biocompatible and non-porous material distinguishes itself through its extremely high translucency and perfectly natural appearance. Due to these characteristics and if used in conjunction with a special colouring technique, the use of veneer ceramics can be entirely eliminated. In this way, aesthetically pleasing full-zirconia restorations, i.e. the Prettau® Bridge can be realized.
 

Range of applications 



 
  • Partial and single crowns
  • Inlays, onlays and veneers
  • Bridges with up to 14 elements (occlusally screwed or cemented)
  • All indications can be manufactured fully anatomically or reduced for veneering with ceramics



 

Characteristics


Prettau® Zirconia is partially stabilized with yttrium and enriched with aluminium. This results in positive material properties like a high bending strength of up to 1,200 MPa, a high temperature resistance, as well as a constant shrinking factor granting the highest possible precision.
 
  • Higher translucency due to optimized microstructure of the zirconia
  • No ceramic chipping
  • No abrasion to the antagonist tooth
  • 200% higher bending strength, thanks to the elimination of the veneer ceramics
  • Especially suited in case of implants, reduced available space or restorations with gingival reconstruction

Material composition 


Zirconia is the result of a chemical process: the basis is zirconia sand, partially stabilized with yttrium and made into Zirconia blanks through a mechanical process. Among the dental ceramics available today, zirconium oxide is without any doubt the material with the highest flexural and tensile strength.

By omitting the ceramic layering, a more massive structure can be created, resulting in an overall higher resistance of over 200%. In this way, ceramic chipping and abrasion to the antagonist are being avoided.

Abrasion behaviour 


Compared to polished zirconia, a tooth veneered with ceramics is 10,000 times more abrasive. The porous structure of the layered ceramic acts like sandpaper and causes wear on natural dentition.

This phenomenon can be illustrated using a practical example:
Rubbing our hands together creates abrasion, which can cause open skin areas. Rubbing our hands against a window pane makes the hand slip on the glass surface. This causes a minimal friction and heat, but no abrasion. Something similar is happening when sintered zirconia meets the natural tooth.
Zirconia in sintered state is perfectly smooth and non-porous, so that it slips on the natural tooth without friction, same as a hand on a window pane.

In general we can say:
The harder and smoother the material, the lower is the material wear caused by friction and hence also abrasion.


 

Schematic view of the abrasion in the indenter according to each sample

Processing 


Teeth are modelled and milled as usual, but then coloured with the special Colour Liquid and sintered in the sintering furnace with a specially elaborated program.
The technical know-how of the dental technician is now transferred from the layering technique to the colouring technique. The occlusal surface no longer needs to be tediously layered with ceramics, but can simply be copied from the completely modelled tooth.

 
указа́ние Colour Liquid Prettau® (Английский) указа́ние Colour Liquid Prettau® Aquarell (Английский)

 

Cementation 


Cementation of a crown made of zirconia
 

Download Instruction
 
 

Cementation of inlays, onlays or veneers made of zirconia
 

Download Instruction
 
 

Cementation of a crown made of zirconia on Raw-Abutment®
 

Download Instruction
 
 

Cementation of a zirconia restoration on titanium bases
 

Download Instruction

 

Comparison of the characteristics 


_________________ _________________ _________________ _________________ _________________ _________________
PRETTAU® PRETTAU® PRETTAU® PRETTAU® PRETTAU® PRETTAU®
  2 2 3 4 4
    DISPERSIVE® DISPERSIVE® ANTERIOR® ANTERIOR®
DISPERSIVE®
_________________ _________________ _________________ _________________ _________________ _________________
Translucency Translucency Translucency Translucency Translucency Translucency
_________________ _________________ _________________ _________________ _________________ _________________
Flexural strength Flexural strength Flexural strength Flexural strength Flexural strength Flexural strength
_________________ _________________ _________________ _________________ _________________ _________________
      Gradual-Triplex-Technology*    
           
Without colour gradient Without colour gradient With colour gradient With colour gradient Without colour gradient With colour gradient
           
Without flexural strength gradient Without flexural strength gradient Without flexural strength gradient With flexural strength gradient Without flexural strength gradient Without flexural strength gradient
           
Without translucency gradient Without translucency gradient Without translucency gradient With translucency gradient Without translucency gradient Without translucency gradient
_________________ _________________ _________________ _________________ _________________ _________________
Individual colouring
with Colour Liquids
Individual colouring
with Colour Liquids
Optional: Individualisation
with Colour Liquid
Intensiv
Optional: Individualisation
with Colour Liquid
Intensiv
Individual colouring
with Colour Liquids
Optional: Individualisation
with Colour Liquid
Intensiv
_________________ _________________ _________________ _________________ _________________ _________________
Sintering temperature Sintering temperature Sintering temperature Sintering temperature Sintering temperature Sintering temperature
1600 °C 1600 °C 1600 °C 1500 °C 1500 °C 1500 °C
_________________ _________________ _________________ _________________ _________________ _________________
Monolithic design in
the posterior area possible
Monolithic design in
the anterior area and
in the posterior area possible
Monolithic design in
the anterior area and
in the posterior area possible
Monolithic design in
the anterior area and
in the posterior area possible
Monolithic design in
the anterior area and
in the posterior area possible
Monolithic design in
the anterior area and
in the posterior area possible
_________________ _________________ _________________ _________________ _________________ _________________
           
*Gradual-Triplex-Technology: The zirconia is already provided with colour, translucency and flexural strength gradients during the production process. This results in a natural colouring, a highly translucent cutting edge and an extremely high flexural strength at the tooth neck.
 
 

Indications:


PRETTAU® PRETTAU® PRETTAU® PRETTAU® PRETTAU® PRETTAU®
  2 2 3 4 4
    DISPERSIVE® DISPERSIVE® ANTERIOR® ANTERIOR®
DISPERSIVE®
_________________ _________________ _________________ _________________ _________________ _________________
Copings Copings Copings Copings Copings Copings
_________________ _________________ _________________ _________________ _________________ _________________
Inlay, Onlay, Veneer Inlay, Onlay, Veneer Inlay, Onlay, Veneer Inlay, Onlay, Veneer Inlay, Onlay, Veneer Inlay, Onlay, Veneer
_________________ _________________ _________________ _________________ _________________ _________________
Crowns Crowns Crowns Crowns Crowns Crowns
_________________ _________________ _________________ _________________ _________________ _________________
Max. three-unit
bridges
Max. three-unit
bridges
Max. three-unit
bridges
Max. three-unit
bridges
Max. three-unit
bridges
Max. three-unit
bridges
_________________ _________________ _________________ _________________ _________________ _________________
Multiple-unit bridge Multiple-unit bridge Multiple-unit bridge Multiple-unit bridge    

(bar-supported)
   
_________________ _________________ _________________ _________________ _________________ _________________
Circular bridges Circular bridges Circular bridges Circular bridges    

(bar-supported)
   
           
           

ИССЛЕДОВАНИЯ 


ИССЛЕДОВАНИЯ

дальше...

Prettau® 



Диоксид циркония Prettau® 95H16


содержимое пакета:
1 шт.
товарный номер:
ZRAD8031
высота:
система / диаметр:


Highly translucent zirconia for single crowns to large bridges (fully anatomic structures or reduced structures for veneering with ceramics)

Processing with CAD/CAM Milling Bur Zirconia

Data sheet Zirconia Prettau®




изготовлено системой CAD/CAM 5-TEC

Диоксид циркония Prettau® для Zirkonzahn Zirkograph 



Prettau® Zirconia 1er


содержимое пакета:
1 шт.
товарный номер:
ZRAD0101
размер:
система / диаметр:


Highly translucent zirconia for fully anatomic structures or reduced structures for veneering with ceramics

1er – 16er (Height: 16 mm) and 1erH – 16erH (Height: 22 mm)
For single crowns to large bridges

16erXH (Height: 30 mm, 40 mm or 50 mm)
For over-size restorations

Data sheet Zirconia Prettau®



изготовлено системой CAD/CAM 5-TEC