Retrusion of mandible is achieved by _______________?
Correct answer: C. Temporalis
- A. Lateral pterygoid
- B. Masseter
- C. Temporalis
- D. None of the above
Explanation
Retrusion is mainly produced by the posterior fibres of temporalis, which pull the mandible backward after it has been protruded. Lateral pterygoid produces protrusion, while masseter mainly elevates the mandible.
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