Dental Anatmy: MUSCLES

Question 1

What muscle inserts into the pterygoid hamulus?

Answer 1

Tensor veli palatini

Question 2

What inserts into coronoid process?

Answer 2

Temporalis muscle

• Elevate mandible: (anterior, superior fibers)
• Retrude mandible: posterior fibers

Question 3

Which of these musvle retracts the mandible?

Answer 3

Temporalis muscle

Question 4

Right mandibular excursion is done by the ?

Answer 4

left lateral pterygoid muscle

Question 5

Failure of the left lateral pterygoid muscle causes the mandible to deviate to the ?

Answer 5

left (Ipsilateral damage)

Question 6

What makes the sling of the madible?

Answer 6

Medial pterygoid & masseter muscle

Question 7

What mandibular movement are the digastric muscles primarily involved with ?

Answer 7

depression/ retraction

Question 8

What movement is being done when both the lateral pterygoid & both the digastric muscles are involved?

Answer 8

Depressing (open) & retract the mandible

Question 9

Lateral pterygoid muscle is responsible for what?

Answer 9

responsible for protruding & depressing/opening the mandible

Question 10

Which group of muscles is used in opening the mouth?

Answer 10

Suprahyoid muscles (includes digastric)

Question 11

Muscles involved in depressing the mandible:

Answer 11

Geniohyoid, mylohyoid, digastric, lateral pterygoid, infrahyoid