Question 186 (part 2) · LDEK · Impressions and impression materials
Products used for impregnation of retraction cords, which contain iron sulphate may impair the binding process of which materials:
- A. polysulphide.
- B. polyether.
- C. silicone condensate.
- D. silicone additive.
- E. agar.
Hint
Recall which elastomer is classically reported to set poorly in contact with ferric sulphate haemostatic residues.
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