HT Zirconia Blocks
HaHasmile® Zirconium Dioxide High Translucent Dental lab CAD CAM ceramic zirconia blocks
HaHasmile® HT zirconia block is white zirconia, HT zirconia blocks with low translucency and high strength, it suitable for making posterior bridge and crown, HaHasmile® High strength full ceramic zirconia restoration material has super high bending strength and excellent hardness. This material has comprehensive indications, especially for the long span bridge.
CAD CAM ceramic zirconia blocks Indications:
coping, coping bridge, upper structure of implant, tetracycline pigmentation teeth.
HaHasmile® CAD CAM ceramic zirconia blocks Features:
Suitable for posterior, bridge and implant repair;
Strongest strength and most economical materials;
White block, no color, need dyeing;
Strongest bending strength 1250Mpa and most economical materials;
Low translucency 35%;
Suitable for coping, coping bridge, posterior crown and bridges, screw retained crown and full arch crown.
HaHasmile® HT Zirconia Blocks is white, no color, need dyeing.
Available for 98mm / 95mm / AG / Sirona
Thickness: 12mm / 14mm / 16mm / 18mm / 20mm / 22mm / 25mm
Color: White
HaHasmile® HT 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.
HaHasmile® is a brand who specialized in selling dental lab and dentist materials on line. There have many products like dental zirconia blocks, multilayer zirconia, dental PMMA, PMMA blocks, wax blocks, denta milling burs, lithium disilicate, press lithium disilicate, grinding tools and other dental restoration materials. In order to help dental lab customers get high quality products with moderate prices, we established online shopping, save many cost. Especialy our 4D multilayer zirconia blocks, it is almost 30% cheaper than from agent as we are direct sell from factory.
Chemical Composition
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Components
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HT 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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Mechanical Property
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Sintered Density g/cm³
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>6.02g/cm³
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Bending Strength Mpa
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≥1250Mpa
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Translucency
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35%
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Hardness(Hv10)
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1250MPa
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Sintered temperature(°C)
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1530°C
|
|
Radioactivity Bq.g-1
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<0.1
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|
Cytotoxicity
|
Level0
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CAD CAM ceramic zirconia blocks Application Method
Coping and Coping bridge:
Scanning and Designing—Milling—Cleaning—Dyeing—Drying—Sintering—Polishing—Porcelain—Staining—Finishing
HaHasmile® HT Zirconia Block Sintering Curve:
Below 3 units bridge(7h)
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Start temp
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Heating rate
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Maximum temp
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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
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|
Room temp
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10°C/min
|
900°C
|
20min
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5°C/min
|
1530°C
|
120min
|
10°C/min
|
300°C
|
From 4 to 6 units bridge(10h)
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Start temp
|
Heating rate
|
Maximum temp
|
Holding time
|
Heating rate
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Maximum temp
|
Holding time
|
Cooling rate
|
Cooling to
|
|
Room temp
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5°C/min
|
900°C
|
30min
|
3°C/min
|
1530°C
|
120min
|
8°C/min
|
300°C
|
Above 7 units bridge(15h)
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Start temp
|
Heating rate
|
Maximum temp
|
Holding time
|
Heating rate
|
Maximum temp
|
Holding time
|
Cooling rate
|
Cooling to
|
Cooling rate
|
Cooling to
|
|
Room temp
|
4°C/min
|
900°C
|
20min
|
2°C/min
|
1530°C
|
120min
|
3°C/min
|
900°C
|
7°C/min
|
200°C
|
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