Ivoclar Vivadent IPS d.SIGN - Manual (Page 33)

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Fired opaquer layer on the model with detachable segments.
Apply the 2 nd opaquer layer so that it covers the entire framework.
The fired opaquer should have a silky-mat
appearance (egg-shell gloss). The appearance of the
fired opaquer can be compared with the
corresponding material shade guide. If the gloss is
too high, the firing temperature of the 2
nd opaquer
firing may be reduced to the firing temperature of
the subsequent firing.
2 nd opaquer firing
Apply the second opaquer layer in such a way that the metal
framework is entirely covered with opaquer, i.e. as much as
necessary and as little as possible.
For each individual situation, five ready-mixed Intensive
Opaquers are available to meet exacting, aesthetic
requirements. The Intensive Opaquers are applied before the
second opaquer firing in the desired areas (e.g. in the
cervical, incisal, occlusal, or palatal area).
Subsequently, the restoration is fired using the stipulated firing parameters.
Important
If furnaces of other manufacturers are used, these
parameters have to be adjusted accordingly. The
temperature increase for the 2nd opaquer firing
must not be below 80 °C/144 °F / min.
TIP:
To enhance in-depth fluorescence and to improve the bond
between the ceramic and opaquer, the applied,
unfired opaquer surface may be sprinkled
with the desired shade of IPS d.SIGN
Margin material. Carefully blow off any
excess materials after a short reaction time
of the IPS d.SIGN Margin powder on the
opaquer surface.
Firing parameters for the 2 nd opaquer firing
T
890°C
1634°F
B
403°C
757°F
S
6 min.
6 min.
t
80°C
144°F
H
1 min.
1 min.
V
1
450°C
842°F
V
2
889°C
1632°
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