GC EUROPE Pattern Resin LS - Manual (Page 7)

7
PATTERN RESIN LS
Brush
Technique
– Step
by
Step
13. Place the pattern back on
the primary crown. 19. Heating-up is carried out
according to the schedules
given in the instructions for
use. Cast in the usual manner.
14. Prepare the wax-up using
an appropriate inlay wax.
Check occlusion, contact area
and contour as usual. 20. Deflask in the usual way
and clean the cast metal
surface with glass beads.
15. The wax-up is ready for
connection of the sprues. 21. Check the inner surface
carefully and remove
inaccuracies with an
appropriate grinding
instrument.
16. Connect the sprues
according to the casting
system and method used. 22. The inside of the
secondary crown shows a
homogenous, glossy finish.
17. Position crown in the
casting ring. 23. The secondary crown
fits perfectly on the primary
crown.
18. Mix and pour
phosphate-bonded
investment (Fujivest Super,
Stellavest or Fujivest II)
according to the instructions
for use. Tip: Investing Pattern Resin
LS workpieces always requires
a greater proportion of
investment liquid than wax
patterns. For detailed
information refer to the
respective instructions for
use. Photographs: ZTM V. Brosch