Ivoclar Vivadent IPS Empress Esthetic User Manual
Page 44
44
Optional
Subsequent adjustments
After completion, additional adjustment (e.g. contact points) may become necessary. For that purpose,
IPS Empress Add-On 770 °C/1418 °F is available.
Processing:
– Before the adjustment, the restoration must be free from dirt and grease. For that purpose, blast the areas to be
adjusted with Al
2
O
3
(Type 100) at max. 0.5 bar pressure and thoroughly clean the restoration using the steam jet.
– Mix IPS Empress Add-On 770 °C / 1418 °F with IPS Empress Esthetic Veneer Build-Up Liquid to a workable consistency.
Make sure that the add-on material and liquid are evenly mixed so that an optimum firing result can be achieved.
– Apply the mixed add-on material on the cleaned, desired areas using a brush and slightly blot them with an absorbent
cloth.
– Position the adjusted restoration on the firing tray and fire in the ceramic furnace.
– After firing, manually polish the supplemented areas to a high gloss.
IPS Empress Esthetic with
B
S
t
➚
T H
V
1
V
2
IPS Empress Add-On 770°C/1418°F
Corrective firing
403°C
4'
60°C
770°C
2'
450°C
769°C
757°F
4'
108°F
1418°F
2'
842°F
1417°F
Firing parameters for the Corrective firing
B = Stand-by temperature °C / °F
S = Closing time/minutes
t
➚
= Temperature increase rate °C/min. / °F/min.
T = Firing temperature °C / °F
H = Holding time / min.
V
1
= Vacuum-on temperature °C / °F
V
2
= Vacuum-off temperature °C / °F
Adjust the proximal contact points