zirconia dental ceramics -币游国际app

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applications

an internal crown and bridge used in the manufacture of dental all-ceramic restorations

 specification:

 

specification

open system

qw95×10  qw95×12  qw95×14  qw95×16  qw95×18  qw95×20  qw95×22  qw95×25

qw98×10  qw98×12  qw98×14  qw98×16  qw98×18  qw98×20  qw98×22  qw98×25

qw100×10  qw100×12  qw100×14  qw100×16  qw100×18  qw100×20  qw100×22  qw100×25

qw112×10  qw112×12  qw112×14  qw112×16  qw112×18  qw112×20  qw112×22  qw112×25

qc16×10  qc16×12  qc16×14 qc16×16  qc20×10 qc20×12 qc20×14 qc20×16 qc20×18 qc20×20

qc25×10 qc25×12 qc25×14 qc25×16 qc25×18 qc25×20 qc25×22 qc25×26.5

manual system

qk43×25×16 qk43×25×18 qk43×25×22 qk52×25×16 qk52×25×18 qk52×25×22 qk65×25×16 qk65×25×18    qk65×25×22 qk75×36×16 qk75×36×18 qk75×36×22 qk87×56×16 qk87×56×18 qk87×56×22 qk89×71×10

qk89×71×12 qk89×71×14 qk89×71×16 qk89×71×18 qk89×71×20 qk89×71×22 qk89×71×25 qk93×75×16

qk93×75×18 qk93×75×22

 

kava system

qv20×15×14  qv20×15×19 qv26.5×25×20 qv40×15×14 qv40×15×19  qv43×25×10 qv43×25×12 qv43×25×14 qv43×25×16 qv43×25×18 qv43×25×20 qv43×25×22 qv43×25×25 qv50×25×20 qv55×15×19 qv60×25×20 qv65×25×22 qv65×40×22 qv72×40×25 qv85×40×22 qv85×40×25

mechanical property:

mechanical property

ht

st

tt

flexural strengthmpa

1200

1000

600

hardness(mpa)

1250

1150

900

density pre-sintered
g/cm³

3.0-3.1

3.1-3.2

3.1-3.2

density post-sintered
g/cm³

6.07-6.08

6.08-6.10

6.09-6.10

shrinkage factor(%)

1.24-1.26

1.24-1.26

1.24-1.26

light transmittance(%)

38

42

49

chemical solubility(ug/cm2)

100

100

100

cte25-500k-1

10

10

10

accelerated aging surface monoclinic phase content

15%

15%

15%

cytotoxicity

0level

0level

0level

radioactivity(bq.g-1)

0.1

0.1

0.1

sintering temperature(℃)

1450-1480

1450-1480

1450-1480

 chemical composition:

chemical composition

ht

st

tt

zro2 hfo2

95%

95%

91%

y2o3

5%~6%

5%~6%

9%~10%

al2o3

≦0.20%

≦0.20%

≦0.20%

fe2o3

≦0.02%

≦0.02%

≦0.02%

sintering temperature program: 

heating rate℃/min

temperature

interval h

totalh

0

20

 

0

15

300

0.3

0.3

10

1000

1.2

1.5

3

1300

1.4

2.9

5

1480

0.6

3.5

0

1480

2

5.5

9

900

1.1

6.6

 


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