Question 312 · LDEK · Complete dentures
Select the correct statement about secondary posterior seal of a denture:
- A. it can be found in the AH line in the maxillary denture and on the retromolar triangles in the mandibular denture.
- B. a wedge-shaped cut-out with the base facing forward is carved on the working model.
- C. sealing depth depends on the fatty tissue adaptability.
- D. seal width on the palatine suture is usually 2-3 mm.
- E. secondary seal is not performed due the risk of mucosal compression.
Hint
The secondary seal is carved on the maxillary working cast along the vibrating line; its width and depth follow the resilience of the mucosa.
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