Question 9 · LDEK · Impressions and impression materials
Which impression method is used when fabricating a mucosa-supported denture in a patient with large unbounded edentulous spaces in the mandible and with substantial atrophy of the alveolar ridge?
- A. on the stock impression tray with the use of reversible hydrocolloid impression material.
- B. on the stock impression tray with the use of irreversible hydrocolloid impression material.
- C. on the depressed anterior impression tray with the use of alginate impression materials.
- D. on the depressed anterior impression tray with the use of silicone impression materials.
- E. on the custom impression tray taking functional impression with the use of elastomers.
Hint
With a mostly mucosa-borne base over a resorbed ridge, the impression must record soft tissues and functional borders accurately.
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