Question 23 · LDEK · Impressions and impression materials
To perform a relining impression in edentulism, where undercuts occur, the following impression material should be used:
- A. hydrocolloid alginate.
- B. silicone, type C, medium viscosity.
- C. hydrocolloid agar.
- D. silicone, type A, high flowability.
- E. zinc-eugenol impression material.
Hint
A reline impression is taken inside the old denture over undercuts: you need a thin-flowing, elastic and dimensionally stable material.
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