Temporary materials Flashcards

1
Q

What are some temporary materials?

A
  • Jet = PMMA
  • Trim = PEMA
  • Protemp4 = Bis-acrylate
  • Provipont = UDMA
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2
Q

What are some advantages of PMMA?

A
  • Powder/liquid formulation
  • Self curing
  • Good marginal fit
  • Good transverse strength
  • Polishable
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3
Q

What are some negatives of PMMA?

A
  • Poor abrasion resistance
  • High shrinkage
  • High thermal release
  • Free monomer may be toxic
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4
Q

What does low polymerisation shrinkage give?

A
  • Good clinical fit of temporary restoration
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