Question 148 · LDEK · Impressions and impression materials
When taking a functional impression of the alveolus with undercuts, in the case of fully edentulous arch, the following impression materials should be used:
1) zinc oxide-eugenol pastes;
2) silicone impression materials;
3) alginate impression materials;
4) agar impression materials;
5) gutapercha.
The correct answer is:
2) silicone impression materials;
3) alginate impression materials;
4) agar impression materials;
5) gutapercha.
The correct answer is:
- A. only 1.
- B. only 2.
- C. 1,2,3.
- D. 1,2,5.
- E. all the above.
Hint
Undercuts demand an accurate elastic material with excellent recovery; rigid materials fracture or distort on removal.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Prosthodontics
- Indicate the consecutive layers of porcelain applied on the metal core of the crown/ bridge:
- The phenomenon of the so-called settling of dentures occurs in the case of:
- Which of the following procedures performed during the repair of a fractured acrylic denture base plate are correct?
- Which of the following exerts the least noticeable side effects on periodontal tissue?
- A patient lost a tooth on which the clasp of a mucosa-supported removable partial denture was placed. In order to allow further use of the denture…
- The smallest dimensional changes of dental impressions are observed when the impressions are disinfected with: