Ivoclar Vivadent Telio CS - Manual (Page 12)

Telio CS C&B
Fabrication of temporary crowns and bridges
Fabrication of an alginate or silicone matrix
If the unprepared teeth exhibit a suitable occlusal morphology that may be transferred to the provisional
restoration or even the planned permanent restoration, and if abutment teeth in suitable position are
available, a preliminary impression can be made to serve as a matrix for the fabrication of the temporaries.
Prior to the preparation or extraction of the teeth, an impression of the preoperative situation is made
using addition-cured silicone impression material (e.g. Virtual; dimensionally stable impressions) or algi-
nate (e.g. Vival NF, impressions that are dimensionally stable for a limited period of time).
Adjusting the impression and creating an additional recess for the lip frenulum ensure that the impression
can be repositioned in the patient’s oral cavity without difficulties.
To do so, trim the interdental gingival areas and remove undercuts in the impression (e.g. using a scalpel),
if necessary. If the occlusion is defective, the fabrication of a wax-up in the laboratory may additionally be
required prior to taking the impression.
Impression of the preoprative situation prior to tooth preparation Dimensionally stable preoperative impression made with Virtual
Finishing of the impression Finished impression that can be easily repositioned
in the patient’s oral cavity
Note regarding plastic templates
When using a vacuum-formed plastic matrix, care should be taken that the plastic material
does not bond to Telio CS C&B. Suitable plastic sheets (e.g. polyethylene sheets) should be
selected, so that the vacuum-formed matrix can be reused. If a bond between the plastic and
Telio CS C&B is desired, plastic sheets should be chosen that are especially designed for this
purpose. Condition the inner aspect of the sheet with AdheSE
® Bond.
12