Process Steps In The Dental Laboratory - Amann Girrbach Girobond cbs Gebrauchsanweisung

P RO C E SS ST EP S IN T H E DE N T AL L AB O R AT O RY

Process steps in the dental laboratory

Production of a crown/bridge for ceramic veneering
Modelling
▷ Cap dipping; wall thickness 0.3 - 0.5 mm.
▷ Aim for an even ceramic layer of max. 2 mm above the modelling.
Casting-channel (sprue) arrangement
▷ Use cross beam or ring channel with 5 mm thickness.
▷ Fasten sprue channel with Ø 3 mm × 2 mm length at the highest
point. Form soft transitions.
Investment
▷ Line out investment ring. For large investment rings (size 6 and 9),
use two layers.
▷ Position modelling (wax-up) centred in the investment ring: Place
cross beam in the heat centre with even distance to rim of invest-
ment ring.
▷ Process investment material according to manufacturer's specifi-
cations. Recommended investment material: Giroinvest Speed and
Giroinvest Super.
Preheating
▷ Expel wax.
▷ Select heating rate according to specifications for processing of the
investment materials.
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