HT White Zirconia Block
The HT White Zirconia Block is a high-performance dental restoration material characterized by its excellent strength and translucency. With a translucency level of 41% and a flexural strength exceeding 1200 MPa, this block is ideal for creating durable and aesthetically pleasing dental restorations, such as crowns and bridges.
- Product Introduction
Products Description

| Item | Details |
|---|---|
| Basic Properties | Made primarily of 3Y-TZP (3 mol% yttria-stabilized tetragonal zirconia). The pre-sintered blanks are suitable for CAD/CAM machining. After sintering, density reaches ≥6.02 g/cm³, with excellent biocompatibility and no metal components. |
| Key Parameters | 41% translucency, flexural strength >1200 MPa, white base shade. Compatible with internal staining or direct sintering to achieve natural color gradients. |
| Recommended Applications | Single crowns, multi-unit bridges, inlays/onlays, implant abutments, and more. Suitable for both anterior esthetic restorations and posterior load-bearing restorations. |
2. Core Advantages and Their Specific Benefits
High Mechanical Strength for Long-Lasting Restorations
Flexural strength >1200 MPa, significantly higher than standard zirconia materials (some ST types approx. 900 MPa). Withstands long-term posterior occlusal forces, reducing risks of chipping or fracture and extending the lifespan of restorations.
Excellent material toughness ensures stable margins after machining. Suitable for precise CAD/CAM milling and allows fabrication of thin-margin restorations that adapt well to natural tooth preparation.
Superior Translucency and Esthetics
41% translucency replicates the natural enamel-like translucence and avoids the "chalky white" appearance seen in many high-strength zirconia materials. Provides natural layering and gloss, especially beneficial for anterior restorations.
The white base shade matches VITA shade guides. Custom coloration can be achieved through internal staining or by selecting appropriate blank thickness. Shades remain stable over time, resistant to discoloration and fading.
Excellent Machinability and Clinical Adaptability
In the pre-sintered state, the material is easy to mill, minimizes bur wear, and ensures high processing efficiency. Can be fully sintered directly, reducing additional steps such as internal staining and shortening chairside or laboratory workflow.
Compatible with conventional dental cements with stable bonding strength. High biocompatibility reduces the risks of gingival irritation and allergic responses, improving clinical outcomes.
Wide Application Range with High Cost-Performance
Balances esthetics and strength, suitable for anterior esthetic cases as well as posterior long-span restorations and implant-supported prostheses, reducing the need for frequent material changes.
Shade stability and long restoration lifespan decrease the frequency of re-treatment for patients, providing strong overall cost-effectiveness.

|
Open System |
95mm System |
Amann Girrbach System |
|
D98x10mm |
D95x10mm |
89x71x10mm |
|
D98x12mm |
D95x12mm |
89x71x12mm |
|
D98x14mm |
D95x14mm |
89x71x14mm |
|
D98x16mm |
D95x16mm |
89x71x16mm |
|
D98x18mm |
D95x18mm |
89x71x18mm |
|
D98x20mm |
D95x20mm |
89x71x20mm |
|
D98x22mm |
D95x22mm |
89x71x22mm |
|
D98x25mm |
D95x25mm |
89x71x25mm |
Application of Dental Zirconia Block Market are:
Crown √
Bridge √
3-4 units bridge √
5-6 units bridge √
Bridges over 7 units √
Cantilever bridge √
Inlay bridge √
Maryland bridge √
Telescopic crown √
Personalized abutment √


3. Comparison with Similar Products (HT vs. ST Zirconia Blocks)
| Comparison Item | HT White Zirconia Block | ST Zirconia Block |
|---|---|---|
| Translucency | 41% | Approx. 43% |
| Flexural Strength | >1200 MPa | >900 MPa |
| Performance Focus | Balanced esthetics and high strength; suitable for both anterior and posterior restorations | More focused on anterior high-translucency esthetics; less ideal for high-strength posterior bridges or long-span cases |

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