Ivoclar Vivadent IPS e.max Abutment Solutions Cem Kit - Manual (Page 11)

11
Cementation with Multilink Hybrid Abutment
The following instructions must be observed in the cementation procedure:
– The cleaned and conditioned components (ceramic structure, base) are laid out ready for cementation.
– The subsequent cementation procedure must be carried out quickly and without interruption.
The working time of Multilink Hybrid Abutment is approx. 2 min at 23 °C (± 1 °C)/73 °F (± 2 °F).
– As a general rule, a new mixing tip is attached to the Multilink Hybrid Abutment prior to each use.
– A thin layer of Multilink Hybrid Abutment is directly applied from the mixing syringe to the bonding surface of the
base and the bonding surface of the ceramic structure.
– The mixing tip is left on the Multilink Hybrid Abutment syringe until the next use. The remaining cement polymer-
izes in the tip and functions a seal.
– The ceramic structure is placed on the base in such a way that the position markings are aligned.
– The parts are lightly and evenly pressed together and the correct relative position of the components is checked
(transition base/ceramic structure).
– Subsequently, the parts are tightly pressed together for 5 s.
– Excess in the screw channel is carefully removed, e.g. with a Microbrush or brush, using rotary movements.
– Important: Excess must not be removed before curing has started, i.e. 2–3 minutes after mixing. For
the purpose, a suitable dental lab instrument (e.g. Le Cron) is used and the components are held in
place with light pressure in the process.
– Glycerine gel is applied (e.g. Liquid Strip) on the cementation joint to prevent the formation of an inhibition layer.
The glycerine gel must be applied cautiously to avoid blending it with or displacing the composite. The gel must
be left on the cementation joint until polymerization is complete.
– Next, the luting composite is completely auto-polymerized within 7 min.
– Important: The components must not be moved until Multilink Hybrid Abutment has completely cured.
They can be held immobile with, e.g. diamond-coated tweezers.
– After the completion of auto-polymerization, the glycerine gel is rinsed off with water.
– The cementation joint should be cautiously polished with rubber polishers at a low speed
(< 5,000 rpm) to avoid overheating.
– Any cement residue left in the screw channel is removed with suitable rotating instruments.
– The restoration is steam cleaned.
The cleaned and conditioned components are laid out ready for cementation. A new mixing tip is attached to the Multilink Hybrid Abutment prior
to each use.
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