Finishing / polishing – Ivoclar Vivadent SR Nexco Paste User Manual

Page 24

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fInISHInG / PoLISHInG

after completion of the polymerization procedure, completely remove Sr Gel from the restoration using running water
and/or a steamer. carefully remove the restoration from the die. If the restoration is removed at a later stage, it is
advisable to warm up the stone die by means of steam/hot water. finish the restoration with cross-cut tungsten carbide
burs and fine diamonds. It is advisable to use low speed and light pressure. make sure to rework the entire restoration to
remove the inhibition layer of approximately 30 µm from all surfaces. carefully taper the margins of the restoration,
lightly grind the margins, and adjust proximal contact points. Subsequently, recreate a lifelike tooth shape and surface
structure. the inhibition layer must be removed from the entire Sr nexco surface.

Polishing

Finishing
carefully smooth out the surfaces with rubber
polishers and silicone polishing wheels. Pay particular
attention to the margins in order to avoid rendering them
too short.

Carefully smooth out surfaces with rubber polishers and silicone polishing wheels.

Prepolish and polish the restorations to a high gloss using a goat hair brush and cotton buff as well as Universal Polishing Paste.

Prepolishing and high-gloss polishing
the restorations are prepolished and polished to a high gloss using a goat hair brush, cotton or leather buff as well as
Universal Polishing Paste. Use low speed and slight pressure for prepolishing and high-gloss polishing. adjust the pressure
at the handpiece, not with the polishing motor. depending on the type of high gloss desired, leather buffing wheels
can be used to achieve a high shine, while cotton buff are used to achieve a lesser degree of lustre.

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