Retraction of mandible is achieved by_________________?
Correct answer: B. Temporalis
- A. Lateral pterygoid
- B. Temporalis
- C. Medial pterygoid
- D. Masseter
Explanation
Retraction of the mandible is mainly performed by the posterior fibres of temporalis, which pull the mandibular condyle backward. The pterygoid muscles chiefly protrude or move the mandible laterally, while masseter mainly elevates it.
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