Question 325 (part 2) · LDEK · Impressions and impression materials
Indicate false statement regarding marginal gingiva:
- A. cords soaked with epinephrine exhibit the most beneficial clinical effect.
- B. cords soaked with aluminum chloride or iron sulfate have better hemostatic effect than epinephrine.
- C. aluminum chloride or iron sulfate may cause removal of smear layer.
- D. retraction time should not exceed 5 min.
- E. cords are introduced to the gingival sulcus starting from the proximal surface.
Hint
Think about how long a retraction cord is typically left in the sulcus and the upper limit set to protect the junctional epithelium.
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
- Light body of type A silicones is used:
- Preparation of initial (base) impression is performed in case of:
- Indicate the basic principles of articulating methods used for the tooth arrangement in complete dentures:
- Which of the following should be taken into account while establishing the centric occlusal position in complete dentures?
- Glass ionomer cements are indicated for a permanent cementation of metal alloy based fixed prostheses because they form chemical bonds with:
- Titanium is: