6 - Temporary materials Flashcards

1
Q

What are the different types of temporary material?

A
  • PMMA
  • PEMA
  • bis-acryl composite
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2
Q

What is an example of PMMA?

A

Jet

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3
Q

What is an example of PEMA?

A

Trim II

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4
Q

What is an example of bis-acryl composite?

A

Protemp4

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5
Q

What are the properties of PMMA as a temporary material? (9)

A
  • powder/liquid formulation
  • self-curing
  • good marginal fit
  • good transverse strength
  • polishable
  • poor abrasion resistance
  • high shrinkage
  • high thermal release
  • free monomer is toxic
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