Muscles of Mastication

Question 1

Which muscle attaches the temporal fossa to the coronoid process and ramus of the mandible?

Answer 1

temporalis

Question 2

Which muscle acts to elevate and retract the mandible?

Answer 2

temporalis

Question 3

What is the innervation of the temporalis?

Answer 3

anterior and posterior deep temporal branches, mandibular division, trigeminal n.

Question 4

Which muscle attaches the zygomatic arch to the coronoid process, ramus, and angle of the mandible?

Answer 4

masseter

Question 5

Which muscle acts to clench the teeth by elevating and protracting the mandible?

Answer 5

masseter

Question 6

What is the innervation of the masseter?

Answer 6

masseteric branches, mandibular division, trigeminal n.

Question 7

Which muscle attaches the medial pterygoid plate to the ramus and angle of the mandible?

Answer 7

medial pterygoid

Question 8

Which muscle acts to elevate and protract the mandible, while assisting in gliding movement?

Answer 8

medial pterygoid

Question 9

What is the innervation of the medial pterygoid?

Answer 9

medial pterygoid branch, mandibular division, trigeminal n.

Question 10

Which muscle attaches the lateral pterygoid plate to the condylar process of the mandible?

Answer 10

lateral pterygoid

Question 11

Which muscle acts to depress the chin and protract the mandible?

Answer 11

lateral pterygoid

Question 12

What is the innervation of the lateral pterygoid?

Answer 12

lateral pterygoid branch, mandibular division, trigeminal n.