Infratemporal fossa

Question 0

What part of the mandible does the temporalis muscle attach to?

Answer 0

Coronoid process

Question 1

The pterion is where the sutures of what bones meet?

Answer 1

Frontal, parietal, sphenoid, temporal

Question 2

What is a frequent fracture location in the mandible?

Answer 2

condyle

Question 3

What is the innervation of the digastric muscle?

Answer 3

anterior belly by the nerve to the mylohyoid (of V3) and posterior belly by CN VII

Question 4

Name the muscles of mastication

Answer 4

Temporalis, masseter, lateral pterygoid, medial pterygoid

Question 5

Which muscle of mastication is not in the infratemporal fossa?

Answer 5

Masseter

Question 6

What are the two terminal branches of the external carotid artery?

Answer 6

maxillary and superficial temporal

Question 7

What is the structure responsible for venous drainage of the muscles of mastication?

Answer 7

pterygoid plexus of veins

Question 8

The mental nerve comes off of what nerve?

Answer 8

inferior alveolar nerve

Question 9

If you wanted to anesthetize the 1-3 maxillary molars, what nerve would you block?

Answer 9

posterior superior alveolar

Question 10

If you wanted to anesthetize the maxillary canines, lateral incisors, and central incisors, which nerve would you block?

Answer 10

anterior superior alveolar nerve block

Question 11

If you wanted to anesthetize the mandibular teeth, which nerve would you block?

Answer 11

inferior alveolar nerve

Question 12

If you wanted to anesthetize the maxillary premolars, canines, lateral and central incisors, what nerve could you block?

Answer 12

infraorbital nerve

Question 13

What structure derived from the inferior alveolar nerve is affected during a root canal?

Answer 13

inferior dental plexus

Question 14

The parasympathetics if the lesser petrosal nerve ultimately innervate what?

Answer 14

parotid gland

Question 15

The lesser petrosal nerve comes from which cranial nerve?

Answer 15

CN IX

Question 16

What passageways does the facial nerve cross before reaching the lingual nerve?

Answer 16

internal auditory meatus, tympanic membrane, petrotympanic fissure

Question 17

A 61-yo patient complains of stabbing doing mundane actions like talking and chewing. What do you suspect?

Answer 17

Trigeminal neuralgia (tic douloureux)

Question 18

What muscle helps your articular disc slide under the articular tubercle of the temporal bone?

Answer 18

lateral pterygoid

Question 19

Why is the TMJ called a ginglymoarthrodial joint?

Answer 19

It can move up and down and glide horizontally