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Zirconia Disc

zirconia disc 1. Zotion 3system SST Zirconia disc detailed specifications SST zirconia block that it’s transparency is almost 49%,is suitable for the crown of anterior teeth and single posterior teeth. 2. Chemical Composition 3. Specification 4. Indication Tip: 1. √This means best choosing;...

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Zirconia  disc


1.Zotion 3system SST Zirconia disc detailed specifications


 SST zirconia block that it’s transparency is almost 49%,is suitable for  the crown of anterior teeth and single posterior teeth.


 2. Chemical  Composition    

ZrO2+HFO2+Y2O3

≥99%

Y2O3

 ≤6.0%

HFO2

<5.0%

A12O3

<0.5%

Other Oxide

<0.5%


3. Specification


Density before sintered

>3.15±0.05g/cm3

Density after sintered

>6.0g/cm3

Coefficient of thermal    expansion 

(10.3±0.5)*10-6k-1

Three-point bending strength

1100Mpa

Translucency

44%

Chemical solubility after    sintered

<    100ug/cm2

Cytotoxicity test

0 level

Radioactivity    after sintered

<0.1Bq/g

Sintering    temperature

1480~1530℃,    Recommend 1520℃


4.  Indication

ClsssificationSST
  

Indication

Coping
Bridge Coping
3-4 units bridge
5-6 units bridge
Over 7 units bridge×
Cantilever bridge×
Inlay bridge×
Maryland fixed bridge
Telescope crown
Abutment


Tip: 

 1.√This means best choosing;
 2.√This means not best  choosing;
 3. ×This means can’t do it.


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