Impression Material & Gypsum Flashcards by Danielle Marquis

Q

What type of material is PVS?

A

addition silicone

it is elastomeric (meaning it can stretch and return to its original shape after a deforming force is removed)

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Q

What is the setting expansion of type III vs type IV stone?

A

type III: .15-.25%
type IV: .08-.1%

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Q

A

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