Ivoclar Vivadent IPS e.max Press Abutment Solutions v.2 - Manual (Page 24)

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After possible rough spots have been removed, an optimum fit between the hybrid
abutment ...
... or the abutment crown and the Ti base is achieved.
Finishing ­
Once an optimum fit between the abutment or the abutment crown and the Ti base has been achieved, please proceed as
follows for the finishing steps:
– Separate the sprue using a separating disc. Avoid overheating.
– Smooth out the attachment point of the sprue. Make sure that the minimum thicknesses are maintained.
– Check the emergence profile and the fit on the model.
– In the case of abutment crowns, additionally check the occlusion and articulation. Adjust by grinding, if necessary, and
create surface textures.
– To clean the abutment crown, briefly blast the outer side with Al
2
O
3
at 1 bar (15 psi) pressure and clean with the steam
cleaner. Some blasting devices may require different pressure settings to accomplish this procedure.
Separate the sprues using a separating disc. Avoid overheating.
Check the emergence profile and the fit on the model.
Smooth out the attachment point of the sprue.