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Questions and Answers
The temporalis muscle retracts the mandible.
False
All muscles of mastication insert in the mandible.
True
The lateral pterygoid muscle elevates the mandible.
False
The medial pterygoid muscle moves the mandible side to side for chewing.
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The masseter muscle originates from the zygomatic arch.
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The lateral pterygoid muscle has two heads, one from the greater wing of sphenoid bone and one from the zygomatic arch.
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