Which of the following is the only muscle of mastication that depresses and protracts the mandible?
A)Medial pterygoid
B)Buccinator
C)Lateral pterygoid
D)Masseter
E)Termporalis

Question

Quizplus · Accepted Answer

The only muscle of mastication that depresses and protracts the mandible is the lateral pterygoid. The medial pterygoid, masseter, and temporalis muscles primarily elevate the mandible, while the buccinator muscle is involved in cheek movement and not directly involved in mastication.

Which of the Following Is the Only Muscle of Mastication