 |
| Place of Origin: | CHINA |
| اسم العلامة التجارية: | UPCERA |
| إصدار الشهادات: | CE、 FDA 、CFDA、KFDA |
| Model Number: | ST-ML |
| الأسعار: | Negotiation |
|---|---|
| Packaging Details: | Carton |
| Delivery Time: | 10 working days after received your payment |
| Payment Terms: | T/T |
| Density before sintering (g/cm3): | 3.1±0.5 g/cm3 | CTE after sintering (25-200℃): | 6.08±0.01 g/cm3 |
|---|---|---|---|
| 3-point bending strength after sintering (MPa): | (10.5±1.0)x10-6K-1 | Accelerate aging surface monoclinic phase content: | 1100Mpa |
| Chemical solubility after sintering (μg/cm2): | < 15% | Cytotoxicity test: | < 100 |
| Sintering temperature (℃): | 1450-1550℃Recommended 1530℃ | ||
| تسليط الضوء: | zirconium dioxide ceramic,core dental ceramics,core dental ceramics |
||
FDA Zirconium Oxide Ceramic Super Translucent Multi - Layer Zirconia In Dentistry
Specifications
|
Wieland System |
Cerac in lab (Sirona)System |
|
D98*10 |
14*13*13 |
|
D98*12 |
20*14*15 |
|
D98*14 |
20*19*15 |
|
D98*16 |
40*14*15 |
|
D98*18 |
40*19*15 |
|
D98*20 |
55*19*15.5 |
|
D98*22 |
65*25*22 |
|
D98*25 |
65*40*22 |
|
|
85*40*22 |
FAQ
Q: Is the fit of a zirconia coping important since the zirconia ceramic is so strong?
A: The thicker the cement the weaker the all-ceramic restoration. Cements are not as rigid as zirconia ceramic, so a thicker cement layer will cause more flexural deformation of a ceramic core, increasing the potential for fracture.
Q: Is it ok to grind on a zirconia coping without water spray?
A: Water spray is necessary when grinding on a zirconia ceramic coping. The white light or hot spot you see between a diamond and a zirconia ceramic has been measured at 1500 ºC. If the temperature of zirconia ceramic rises above 1000 ºC, a phase change can occur that will induce cracking and surface defects, lowering the strength of the coping.
Q: Is preparation design of a zirconia coping important since the zirconia ceramic is so strong?
A: Preparation design of the zirconia coping is very important. The thickness of unsupported porcelain should not exceed 2 mm. The zirconia coping should be as thick as needed to avoid unsupported porcelain.
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