Will-Ceram® Z™ Discs & Blocks
Will-Ceram® Z™ Discs and Blocks are made of pre-sintered yttria stabilized tetragonal zirconia polycrystalline ceramics (YTZP) for use as CAD/CAM milling blanks. They are in a “chalk-like” state and can be milled using any compatible CAD/CAM machine. The blocks are manufactured to have a well-controlled enlargement factor of approximately 1.25 (25%), which ensures that good fit is achieved after full sintering. Each block is labeled with its individual, precisely determined, enlargement factor. After full sintering, the material densifies into a high strength dental ceramic with an average flexural strength in excess of 900 MPa, as measured according to ISO 6872:2008.
Will-Ceram® Z™ Disc and Blocks Features & Benefits
| Feature |
Benefit |
| Can be milled thinner than most Zr discs |
Less chipping and no linear cracks |
| Homogenous disc density |
Consistent cut anywhere on the disc |
| Compatible with Will-Ceram® Z™ Porcelain |
Offers a complete Zirconia system from one manufacturer |
| FDA Approved and ISO Registered |
Insures consistent quality |
| The highest in Strength: 125-130 MPa |
Improved properties with Will-Ceram® Z™ Porcelain |
| Among the lowest in Solubility: 17-20 mg/cm2 |
Less reaction with surrounding tissue & body fluids |
Will-Ceram® Z™ Disc and Blocks Composition & Technical Data
| Composition |
| ZrO2 (+HfO2): |
>94 % |
| Y2O3: |
5.15 % ± 0.20 |
| Al2O3: |
0.25 % ± 0.10 |
| HfO2: |
Typically < 3.0% |
|
|
| TECHNICAL DATA |
| Coefficient of Thermal Expansion (25-500°C)*: |
10.6 x 10-6/°C |
| Flexural Strength (3-point-bend)*: |
> 900 MPa (Blocks)
> 1,200 MPa (Discs) |
| Vickers Hardness (HV10): |
1,250 |
| Chemical Solubility*: |
0 µg/cm2 |
| *as measured according to ISO 6872:2008 |
|
Will-Ceram® Z™ Discs & Blocks Support Documents
Will-Ceram® Z™ Discs & Blocks Product Photos
