8 Creating the restoration
8.5 Sintering
Dentsply Sirona
Processing instructions CEREC Zirconia meso
16
66 21 101 D3487
D3487.201.18.02.02 02.2018
8.5
Sintering
Restorations made from CEREC Zirconia meso have to be sintered in
dry conditions.
The Sirona inFire HTC, inFire HTC speed and CEREC SpeedFire
sintering furnaces offer programs with a pre-drying function.
In addition the restorations processed with water cooling (wet milling/
wet grinding) must be pre-dried beforehand for 10 minutes at 150°C
(302°F) in the drying cabinet for sintering in the inFire HTC and inFire
HTC speed furnaces.
The sintering process should preferably be performed in a Sirona
sintering furnace.
When sintering in the inFire HTC/HTC speed, use the pre-programmed
inCoris TZI / ZI program.
When sintering in the CEREC SpeedFire, the CEREC software
automatically selects the program. Observe the information in the
operating instructions for the furnace.
The classic program for sintering with CEREC Zirconia meso is the
same as for inCoris TZI / ZI. The sintering result from furnaces other
than those specified here cannot be guaranteed by Dentsply Sirona.
As an alternative, the sintering process can be carried out in the
compatible VITA Zyrcomat or Ivoclar Vivadent Sintramat high
temperature furnaces. Use the following zirconium oxide program for
this.
Sintering program for other furnaces
Heating rate
°C/min
Holding temperature
°C
Holding time
min
25
800
0
15
1510
120
30
200
0
In any case, the details in the manuals for the respective furnaces are to
be adhered to.
Sintering in CEREC SpeedFire
When sintering in the CEREC SpeedFire furnace, place the restorations
with the occlusal surface directly on the top door insulation.
NOTICE
Maximum Observe restoration size
Observe the maximum Furnace chamber size when loading the
furnace.
- Diameter: 38 mm
- Height: 20 mm
The restoration must be placed on the labial surface when sintering if
the restoration exceeds 20 mm (block height 22 mm).
Содержание CEREC Zirconia meso
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