Dental zirconium block Zirconia Blank
dental composite material zirconia disc 1. Product advantage HT zirconia block possess high intensiy and excellet translucency and is suitable for full ceramic copings and all kinds of bridges. 2.Chemicial components 3.Technical parameters 4.Restoration indication symptom 5.Detailed pictures...
- Product Introduction
Products Description
1. Product advantages
HT zirconia block possess high intensiy and excellet translucency and is suitable for full ceramic copings and all kinds of bridges.
2.Chemicial components
|
ZrO2+HFO2+Y2O3 |
>=99% |
|
Y2O3 |
<=6.0% |
|
HFO2 |
<5.0% |
|
A12O3 |
<0.5% |
|
Other oxides |
<0.5% |
3.Technical parameters
|
Density before Sintering |
>3.15± 0.05 g/cm³ |
|
Density before Sintering |
>6.0g/cm³ |
|
Linear expansion coefficient |
(10.3 ±0.5)x10-6 k-t |
|
Three point bending strength |
1200MPA |
|
Translucency |
41% |
|
Chemical solubility after sintering |
<100µg/cm³ |
|
Cyotoxicity test |
Cyotoxicity 0 level |
| Redioactivity after sintering |
<0.1Bq/g |
|
Sintering temperature |
1480-1530℃,1520℃is recommend |
4.Restoration indication symptom
|
Copings |
√ |
|
Bridged Coping |
√ |
|
3-4 units bridge |
√ |
|
5-6 units bridge |
√ |
|
Over 7 units bridge |
√ |
|
Cantilever bridge |
√ |
|
Inlay bridge |
√ |
|
Maryland fixed bridge |
√ |
|
Telescope crown |
√ |
|
Abutment |
√ |
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