https://hahasmiledental.diytrade.com/sdp/2969294/4/pd/21066827.html?mode=11
SST Multilayer Zirconia Blocks
HaHasmile® SST Multilayer zirconia block dental lab CAD CAM zirconia block is multilayer zirconia, SST Multilayer zirconia blocks with higher translucency and low strength, it suitable for making anterior bridge and crown, HaHasmile® SST Multilayer zirconia block is color gradient multilayer zirconia blocks.
HaHasmile® SST Multilayer Zirconia Blocks Features:
6 layers gradient multilayer colors
Bending strength 860Mpa;
Higher translucent 45%;
It is more translucency than ST+Multilayer zirconia block;
Suitable for anterior crown and bridges, Inlay, Onlay, posterior crown and bridge;
HaHasmile® SST Multilayer Zirconia Block is Multilayer zirconia block.
Available for 98mm / 95mm / AG / Sirona
Thickness: 12mm / 14mm / 16mm / 18mm / 20mm / 22mm / 25mm
Color: A1 A2 A3 A3.5 B1 B2 B3 C1 C2 D2
HaHasmile® SST 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
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Components
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SST Multilayer Zirconia block
|
|
Nanometer zirconia powder
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≥98%
|
|
CeO₂
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＜0.5%
|
|
Fe2O3
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＜0.5%
|
|
Er2O3
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＜0.5%
|
|
Other Oxides
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＜0.5%
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SST Multilayer zirconia block Mechanical Property
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Sintered Density g/cm³
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>6.02g/cm³
|
|
Bending Strength Mpa
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≥860Mpa
|
|
Translucency
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45%
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|
Hardness(Hv10)
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1250MPa
|
|
Sintered temperature(°C)
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1500°C
|
|
Radioactivity Bq.g-1
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<0.1
|
|
Cytotoxicity
|
Level0
|
Indications:
Coping, coping bridge, full arch coping bridge, custom abutment, abutment screw retained bridge, inlay,onlay, posterior crown, posterior crown bridge,full arch crown bridge.
Application Method
Coping
Scanning and Designing — Milling — Cleaning — Sintering — Polishing — Porcelain — Staining — Finishing
Full contour crown
Scanning and Designing — Milling — Cleaning — Sintering — Polishing — Staining — Finishing
HaHasmile® SST Multilayer Zirconia Block Sintering Curve:
1-6 units bridge(10h)
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Start temp
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Heating rate
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Maximum temp
|
Heating rate
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Maximum temp
|
Holding time
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Heating rate
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Maximum temp
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Holding time
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Cooling rate
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Cooling to
|
Cooling rate
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Cooling to
|
|
Room temp
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12°C/min
|
1100°C
|
1.2°C/min
|
1400°C
|
10min
|
2°C/min
|
1500°C
|
120min
|
8.5°C/min
|
900°C
|
Natural
|
100°C
|
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