Yucera Dental Consumables Dental Zirconia Block Price For Dental Crowns And Bridges
Product Features
Safety:No irritation,No corrosion,Good bio-compatibility
Beauty:Natural teeth color can be reproduced
Comfortability:Low thermal conductivity,hot and cold changes do not stimulte the pulp
Durability:Over 1600MPa perturbed strength, durable and useful
Dental Zirconia Block Features
Zirconium dioxide porcelain tooth is a mineral that exists in nature as oblique zircon. Its density and strength are very high, the strength is 1.5 times higher than that of EMPRESS II, more than 60% higher than INCERAM zirconia, combined with unique crack resistance and strong curing performance after cracking, it can make porcelain bridges of more than 6 units. The problem that all all-ceramic systems cannot be used as long bridges is solved.
Dental Zirconia Block Advantages
Zirconium dioxide porcelain teeth are of extremely high quality. It is said that its high quality is not only because of its materials and expensive equipment, but also because it uses the most advanced computer-aided design, laser scanning, and then controlled by computer programs. It is perfect.
Dental Zirconia Block Introduction
Yurucheng zirconia block has high strength, excellent permeability and color aesthetic repair effect that suitable for CAD/CAM system and manual system.
Sintering
Every batch of zirconia block has gone though a completely sintering test. The sintering methods have a great impact on blocks’ properties, such as translucency, dyeing results, strength, hardness and ageing resistance, which will affect the blocks’ final stability. Therefore, please follow the sintering curve of it.
HT/ST Sintering Curve (1-5)
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HT/ST Sintering Curve (1-5)
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Sintering step
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Start Temperature(℃)
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End Temperature(℃)
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Time(Min)
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Rate(℃/Min)
|
|
Step 1
|
20
|
300
|
30
|
9.3
|
|
Step 2
|
300
|
1200
|
150
|
6
|
|
Step 3
|
1200
|
1530
|
110
|
3
|
|
Step 4
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1530
|
1530
|
120
|
0
|
|
Step 5
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1530
|
800
|
100
|
-7.3
|
|
Step 6
|
800
|
natural cooling 20
|
120
|
-6.5
|
HT/ST Sintering Curve (10 units)
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HT/ST Sintering Curve (10 units)
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|
Sintering step
|
Start Temperature(℃)
|
End Temperature(℃)
|
Time(Min)
|
Rate(℃/Min)
|
|
Step 1
|
20
|
300
|
30
|
9.3
|
|
Step 2
|
300
|
1200
|
190
|
4.7
|
|
Step 3
|
1200
|
1530
|
150
|
2.2
|
|
Step 4
|
1530
|
1530
|
120
|
0
|
|
Step 5
|
1530
|
800
|
120
|
-6
|
|
Step 6
|
800
|
natural cooling 20
|
120
|
-6.5
|
ST Color Zirconia Block
* Pre-shaded technics
* Uniform color
* Without post dyeing posses
* Suitable for full contour crown, bridge and anterior
Indications: Crown, Inlay, Onlay, 2-5 unit Bridges, Anterior
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Physical Characteristics
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Sintered density 6.07±0.01g/cm³
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Bending Strength 1100 MPa
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Transmittance 45%
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Hardness 1200HV
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Sintering temperature 1480~1550℃/recommend 1530℃
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