PVS is the most Common?! Then why Polyether?

For sure Impression materials are related and integrated in the dentistry field. That’s why we observe so many changes in the materials itself just like the polyether and additional silicone. Briefly, impression materials are divided into rigid and elastic impression materials in which generally the rigid one is used for edentulous patients with mild or moderate undercuts whereas the elastic one is used for dentulous or edentulous patients with severe undercuts. Now both polyether and additional silicone (PVS) are subgroups of the elastomeric elastic impression materials and have a variety of functions and properties which distinguish each other.

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