PRIMARY protruder of the mandible?

Masseter
Lateral pterygoid
Posterior temporalis
Geniohyoid

Show answer and explanation

Correct answer: B. Lateral pterygoid

LATERAL PTERYGOID = primary protruder of the mandible. Both heads function in protrusion; inferior head is primary opener. Masseter/medial pterygoid = close/elevate. Posterior temporalis = retrude.

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