The lateral condylar posts should be set on the articulator at:
- A- Zero degree.
- B- 20 degree***
- C- 40 degree.
- D- None.
The correct answer is B- 20 degrees.
The lateral condylar posts, also known as the Bennett angle, should be set to 20 degrees on the articulator to simulate the average lateral condylar angle of the human mandible. This angle is important for reproducing mandibular movements and ensuring proper occlusion.
The other options are incorrect:
- Zero degree:
This would mean that the condyles would move straight up and down, which is not how the human mandible actually moves.
- 40 degree:
This would be too steep of an angle and would not accurately simulate the human mandible.
None:
This would mean that the Bennett angle would not be set at all, which would not be accurate.
Therefore, the correct answer is B- 20 degrees.
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Dentistry