Question 233 · LDEK · Impressions and impression materials
Which of the following impression materials have the lowest shrinkage and thus are recommended in implantology?
- A. hydrocolloid alginate impression materials.
- B. polyether impression materials.
- C. polyvinyl siloxane impression materials.
- D. dimethylosiloxane impression materials.
- E. hydrocolloid agar impression materials.
Hint
Compare setting reactions: which elastomer polymerises without releasing a by-product?
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