Setting reaction of solution liners:
Correct Answer: Physical evaporation
Description: Solution Liners
Based on non aqueous solution of acetone, alcohol or ether. Eg: Varnish (COPAL WASH).
Composition:
10% copal resin.
90% solvent.
Setting reaction: Physical evaporation.
Thin film; copal resin remains.
Single layer of varnish covers 55% of surface area.
If 2-3 layers are applied; 6-80% area is covered.
Category:
Dental
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