Question 301 · LDEK · Dental laboratory technology
Preparation of a cast model for immediate prosthesis in patients with healthy periodontium involves:
- A. in the maxillary, cutting the cast teeth to the level of the neck, using the cutter to create a depression with a depth of 1-3 mm and smoothing the margins; in the mandible, cutting the cast teeth to the level of the neck, creating a 1-2 mm depression, cutting the margins and smoothing the ridge.
- B. cutting the teeth and the model from the side of the vestibule and the alveolar ridge.
- C. cutting the teeth and shaping the ridge into a semi-circular bar.
- D. in such cases preparation of a cast model is not important.
- E. all the answers are correct.
Hint
With a healthy periodontium there is little bone loss, so cast trimming only needs to mimic shallow fresh sockets.
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