“…PVS impression material is a silicone elastomer consisting of an addition-polymerization reaction between two pastes (a base and an accelerator) which can be dispensed from a dual cartridge. Upon mixing, it forms a polymer material that is clean, odorless, and is readily tolerated when applied to the skin or mucosa (5,6). Modern PVS has a working time of approximately 3-5 minutes before the final set.…”