GC EUROPE Fujivest Super - Manual (Page 47)

47
Focus Edition from GC
14. Casting
Casting in the usual manner: centrifugal casting,
vacuum-pressure casting, etc. Take care with the
positioning of the casting ring in the casting device
(see 7.2). Cast as quick as possible after taking the
ring out of the furnace.
15. Cooling
After casting let the casting ring cool down as
slowly as possible. e.g. Place the ring after casting
in a cold furnace and close the furnace.
16. Sandblasting
16.1 Carefully remove bulk of investment around
the casting with devesting scissors.
16.2 Sandblast the metal framework with
glass-beads. Do not sandblast inside the
abutments.
16.3 Remove residual investment in the abutment
by using a pickling agent (e.g. hydro-fluoric
acid or alternative).
17. Checking the fit
17.1 Fill the abutments with mixed GC Fit
Checker Silicone. Put the suprastructure
back on the master model by means of the
implant-screws.
17.2 Let set for 3 min (at 23°C) and then remove
the framework from the model.
17.3 Results:
a. If on the abutments there is an even thin
layer of GC Fit Checker · expansion is ok