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Lithium Disilicate Blanks
$14.00 – $46.00
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SKU: N/A
Category: Cad Cam Block
Product Description
Lithium Disilicate Blanks
The cad cam blanks are compatible with the Sirona Cerec milling system, it has LT and HT translucency, and sizes of B14 and C14.
Strength: The minimum biaxial flexural strength of the lithium disilicate block for all-ceramic dentures after complete crystallization is 300MPa.
Lithium disilicate blank features as followings:
- Superior aesthetic and transparency
- Aesthetics and hardness simulating natural tooth (reducing the excessive wear of the opposing teeth and surrounding restorations
- High chemical stability and mechanical strength
- nano micron crystallization provides better edge stability and structural accuracy for milling
- The simple and rapid crystallization process reduces operating time
- Shade: Vita Class Shades, Plus bleaches BL1, BL2,BL3,BL4.
- with a shrinkage ratio close to zero, facilitates the efficient design and digital processing
- Package: 5pcs/box.
Application:
Physical properties
- After crystallization, dentistry: 2.4~2.7g/cm3
- Vickers hardness:5400±400Mpa
- Fracture toughness: 2.23 MPA m1/2
- Minimum biaxial flexural strength after sintering:300 Mpa
Crystallization process
Dentistry lithium disilicate composite
Chemical Composition | Percentage |
SiO2 | 58.5%~72.5% |
Li2O | 13%~15% |
K2O | 3%~5% |
Other | 7.5%-25% |