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  • 4D Multilayer Zirconia Blocks

  • 4D Multilayer Zirconia Blocks

  • 4D Multilayer Zirconia Blocks

  • 4D Multilayer Zirconia Blocks

  • 4D Multilayer Zirconia Blocks

4D Multilayer Zirconia Blocks

Product Description

Product Description

HaHasmile® 4D Multilayer Zirconia Block is our most popular zirconia blocks, 4D Multilayer Zirconia Blocks can make all dental restorations.

HaHasmile® 4D Multilayer Zirconia Blocks has color, strength and translucent gradient.

Available for 98mm / 95mm

Thickness: 12mm / 14mm / 16mm / 18mm / 20mm / 22mm / 25mm

Color: A1 / A2 / A3 / A3.5 / A4 / B1 / B2 / B3 / B4 / C1 / C2 / C3 / C4 / D2 / D3 / D4 / OM1 / OM2 / OM3


HaHasmile® 4D Multilayer Zirconia Block Features:

Color Gradient;

6 layers of natural color transition, matching color graduation of natural tooth from cervical to incisal;

Translucency Gradient;

From 43% in cervical to 57% translucency in incisal, it show gradient increase.

Strength Gradient;

Strength gradient from 1050Mpa to 700Mpa, high strength in base part acheive long bridge restoration.

Perfect show of natural teeth;

Convenient, do medical treatment without removal;

Natural and soft color effect;


HaHasmile® 4D Multilayer zirconia block flexural strength

LayerPercentage thicknessStrengthTranslucency
1st Layer20%700Mpa57%
2nd Layer15%760Mpa55%
3rd Layer15%830Mpa53%
4th Layer15%890Mpa50%
5th Layer15%960Mpa47%
6th Layer20%1050Mpa43%


Indications:

Anterior full contour crown and bridge, Posterior full contour crown and bridge;


HaHasmile® 4D Multilayer zirconia blocks are produced by CIP technology and pre-sintered in low temperature. Although the product has some strength, because of porosity, please handle carefully.


Chemical Composition

Components4D Multilayer Zirconia block
Nanometer zirconia powder≥98%
CeO₂<0.5%
Fe2O3<0.5%
Er2O3<0.5%
Other Oxides<0.5%


4D Multilayer zirconia block Mechanical Property

Sintered Density g/cm³>6.02g/cm³
Bending Strength Mpa700Mpa-1050Mpa
Translucency43%-57%
Hardness(Hv10)1250MPa
Sintered temperature(°C)1500°C
Radioactivity Bq.g-1<0.1
CytotoxicityLevel0


Application Method

Full contour crown and bridges(veneer)

Scanning — Designing  — Milling — Cleaning — Sintering — Polishing — Staining — Finishing


HaHasmile® 4D Multilayer Zirconia Block Sintering Curve:

Below 3 units bridge(11h)

Start tempHeating rateMaximum tempHeating rateMaximum tempHeating rateMaximum tempHeating rateMaximum tempHolding timeCooling rateCooling toCooling rateCooling to
Room temp10°C/min300°C7°C/min1000°C5°C/min1200°C3°C/min1500°C120min7.3°C/min800°CNatural100°C


Up 3 units bridge(12h)

Start tempHeating rateMaximum tempHolding timeCooling rateCooling toCooling rateCooling to
Room temp4°C/min1500°C120min6°C/min800°CNatural100°C

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