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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