VHF Cad Cam 3D Multilayer zirconia disc Dental Zirconia Block

 

Components
ZrO2+HfO2+Y2O3	≥99%
Y2O3	≤6.0%
Al2O3	<0.5%
Other Oxides	<0.5%

Core Dimensions & Clinical/Processing Value

Core Dimension	Details	Clinical / Processing Value
Base Material	High-purity 3Y-TZP zirconia (3 mol% yttria-stabilized) with multilayer gradient structure (6–15 layers), density ≥6.05 g/cm³	Ensures mechanical stability, reduces risk of cracks during milling, and provides durability for long-term intraoral use
Optical Properties	Translucency 45%–55% (gradient distribution), shade compatible with the full VITA color range, supports individualized internal staining	Mimics the translucency of natural teeth, avoids "chalky white" appearance, and delivers natural aesthetic restoration outcomes
Mechanical Performance	Flexural strength 600–1100 MPa, excellent compressive strength, wear resistance comparable to natural enamel	Meets posterior occlusal load requirements, extends restoration lifespan, and reduces risk of chipping or fracture
Milling Compatibility	Pre-sintered blanks compatible with mainstream CAD/CAM systems (VHF, Exocad, etc.), supports dry milling; post-sintering dimensional stability ≤0.1%	High milling efficiency, low bur wear, precise restorations, and seamless integration into digital dentistry workflows
Biocompatibility & Safety	Metal-free, ISO 10993-compliant biocompatibility, corrosion-resistant, non-allergenic	Minimizes gingival irritation, suitable for sensitive oral environments, ensures safe long-term use
Applicable Restorations	Anterior veneers and full crowns; posterior full crowns, inlays/onlays; multi-unit long-span bridges (≤14 units); implant abutments	Covers full range of aesthetic and functional restorations, reduces the need for multiple materials, and expands clinic service coverage

 

Type	Code	Translucency	Flexural strength	Color
White zirconia block	HT	41%	＞1200Mpa	white
	ST	43%	＞900Mpa
Monolayer preshaded zirconia block	HTC	41%	＞1200Mpa	A1.A2.A3
	STC	43%	＞900Mpa	A1.A2.A3.A3.5 A4. B1.B2.B3.B4 C1.C2.C3.C4 D2.D3.D4 BL1.BL2.BL3 BL4
3D Multilayer preshaded zirconia block	STM	≥Top-Bottom≥49%-≥43%	Top-Bottom ≥800Mpa-≥1100Mpa
	ATM	Top-Bottom≥55%-≥46%	Top-Bottom ≥600Mpa-≥900Mpa
3D multilayer preshade zirconia block(made of Tosoh zirconia powder)	TSTM	Top-Bottom≥43%-≥49%	Top-Bottom ≥800Mpa-≥1100Mpa
	TATM	Top-Bottom≥46%-≥55%	Top-Bottom ≥600Mpa-≥900Mpa

 

 

 

2. Core Product Advantages and Practical Benefits

1. 3D Multilayer Gradient Aesthetics: Highly Biomimetic, Natural Tooth Appearance

This represents the product's key aesthetic advantage. It overcomes the limitations of traditional monolayer zirconia, which often looks uniform and lacks depth, by replicating the structural characteristics of natural teeth for highly biomimetic results.

Natural shade gradient: Using multilayer gradient coloring technology, the color transitions naturally from the deep dentin tone at the cervical area (warm yellow) to the translucent enamel tone at the incisal edge. This reproduces the natural "darker at the cervical, lighter at the incisal" pattern and avoids a flat, artificial appearance.

Translucency gradient: Translucency gradually increases from 45% at the cervical to 55% at the incisal edge, precisely matching natural enamel optical properties. The restoration exhibits lifelike translucency under natural light and avoids the "chalky" look typical of conventional high-strength zirconia-especially suitable for anterior aesthetic restorations.

Individualized color customization: Base shades cover the full VITA scale, and further refinement can be achieved through internal or external staining or adjusting sintering thickness. This allows precise matching with adjacent teeth for truly natural-looking restorations, meeting the individual aesthetic needs of patients.

2. Gradient Strength Design: Balancing Aesthetics and Durability

The product's multilayer structure is optimized for mechanical performance, ensuring both anterior translucency and posterior strength. This resolves the common trade-off in traditional zirconia where higher translucency reduces strength.

Stress-adapted strength: The cervical area (near the gingiva) uses a high-strength formula (flexural strength ≥1000 MPa) to withstand lateral occlusal forces, while the incisal area (aesthetic zone) uses a high-translucency formula (flexural strength ≥600 MPa) to maintain aesthetics without compromising daily bite function. This "strength where needed" gradient design ensures both performance and appearance.

Excellent wear and compressive resistance: Material density ≥6.05 g/cm³ provides wear resistance comparable to natural enamel. Long-term use does not cause surface roughness or discoloration. High compressive strength makes it suitable for posterior full crowns, inlays/onlays, and other load-bearing restorations, extending service life by 2–3 years compared to conventional monolayer zirconia.

High post-milling stability: Pre-sintered blanks have moderate toughness, minimizing chipping and cracking during CAD/CAM milling, especially for thin-margin restorations (minimum margin thickness 0.3 mm). Post-sintering dimensional change ≤0.1% ensures precise fit, reducing chairside adjustment.

3. Efficient Milling & Seamless Digital Workflow Integration

Material properties and dimensional specifications are optimized for milling compatibility, increasing efficiency in clinics and labs.

High CAD/CAM compatibility: Fully compatible with VHF dental mills and major CAD/CAM design systems (Exocad, 3Shape, etc.). Design data can be imported directly without additional equipment adjustments, reducing cross-platform adaptation costs.

Improved milling efficiency: Pre-sintered blanks have moderate hardness and lower cutting resistance, reducing bur wear by 15–20% compared to conventional zirconia. The restoration can be completed in a single milling + sintering cycle, eliminating the multi-step "metal coping + veneering + sintering" workflow of traditional PFM restorations. Single-crown production can be completed within 30 minutes, supporting same-day dentistry.

No additional veneering required: The multilayer gradient color and translucency meet aesthetic requirements directly. Post-sintering, only minimal glazing is needed, saving time and reducing risk of veneering porcelain chipping.

4. Full-Scenario Adaptation & Superior Biocompatibility

The product is optimized for a wide range of clinical scenarios and oral environments, providing flexibility and safety for daily practice.

Full-scenario restoration coverage: Suitable for both anterior aesthetics and posterior functional restorations, including veneers, full crowns, multi-unit long bridges (≤14 units), and implant abutments. Reduces the need for multiple materials in stock.

Exceptional biocompatibility: Metal-free, ISO 10993 compliant. Does not cause gingival irritation, redness, or dark lines. Safe for patients with sensitive gums or metal allergies. Resistant to saliva, acidic/alkaline foods, and long-term intraoral exposure without releasing harmful substances.

Long-term stability: Color remains stable over time; surface smoothness resists bacterial adhesion and plaque accumulation, reducing secondary caries risk and supporting long-term oral health.

 

 

 

 

 

 

 

 

 

 

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