Question 11 · LDEK · Mandibular movements and articulators
The superior lateral pterygoid muscles are responsible for:
1) opening and protrusion of the mandible;
2) opening and lateral movement of the mandible;
3) mandible movement from the position of centric occlusion to the protrusive position;
4) closing and retreat of the mandible;
5) opening and closing of the mandible.
The correct answer is:
2) opening and lateral movement of the mandible;
3) mandible movement from the position of centric occlusion to the protrusive position;
4) closing and retreat of the mandible;
5) opening and closing of the mandible.
The correct answer is:
- A. only 1.
- B. 1,2.
- C. only 3.
- D. only 4.
- E. 4,5.
Hint
Distinguish the two heads: one acts in opening and protrusion, the other stabilises the condyle and disc during the closing power stroke.
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