A. Impression with silicone
B. Impression compound
C. Impression Plaster
D. Alginate
Answer: C. Impression Plaster
Passive impression / Mucostatic Impression / Pressureless Impression technique records the tissues with minimal distortion and cause least possible displacement of tissues. There will be large amount of space between the tray and soft tissues and it uses very fluid type of impression material.
Impression material is the common material used in this technique.
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