Question 215 · LDEK · Mandibular movements and articulators
Posselt's diagram is characterized by:
1) pattern of movements of the tangent point of the lower incisors from centric occlusion to the protrusive position of the mandible;
2) lateral movement of the mandible marked in the horizontal plane;
3) opening movement of the mandible in the horizontal plane;
4) opening movement of the mandible in the sagittal plane;
5) pattern of movements of the tangent point of the lower incisors determined in the sagittal plane.
The correct answer is:
2) lateral movement of the mandible marked in the horizontal plane;
3) opening movement of the mandible in the horizontal plane;
4) opening movement of the mandible in the sagittal plane;
5) pattern of movements of the tangent point of the lower incisors determined in the sagittal plane.
The correct answer is:
- A. only 1.
- B. 2,3.
- C. 1,3.
- D. 3,4,5.
- E. only 5.
Hint
Identify the plane and the reference point Posselt used, and whether the diagram shows one movement or the whole border envelope.
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