Temple, Infratemporal Fossa

Question 1

what is the movmeent of your TMJ joint?

Answer 1

down and forward (protrusion/depression)

Question 2

describe the temporal fossas from lateral to medial

Answer 2

Temporal fossa

infratemporal fossa

pterygopalatine fossa

Question 3

what are the contents of the temporal fossa ?

Answer 3

Contents are

Temporalis muscle, deep temporal nerves and arteries, Superficial temporal artery

*

Question 4

where do you find the pterygoid processes?

Answer 4

Question 5

where is Infratemporal fossa

Answer 5

Question 6

what are the boundaries of the infratemporal fossa?

Answer 6

Question 7

what artery goes up through the foramen spinosum?

Answer 7

MMA

Question 8

What are the contents of the infratemporal fossa?

Answer 8

Question 9

what is the function of the chorda tympani?

Answer 9

it supplies taste to the anterior 2/3 of the tongue

Question 10

what muscles help move your mandible from side to side?

Answer 10

lateral and medial pterygoid

Question 11

describe the path of the pterygoid muscles - attachments

Answer 11

Question 12

what is the only branch of trigeminal that has a motor branch?

Answer 12

mandibular division

Question 13

the posterior division of the manidubular nerve is all sensory except…?

Answer 13

except for the branch to the mylohyoid

Question 14

what are the branches of the mandibular nerve?

Answer 14

MAIL

mylohyoid nerve

auriculotemporal

inferior alveolar

lingual

Question 15

what nerve is commonly blocked in dental work?

Answer 15

inferior alveolar nerve -

*this nerve supplies the manidible and also the lower lip which is why your lip goes numb in dental work

Question 16

the anterior branch of the mandibular nerve is all motor except for…?

Answer 16

except for the buccal branch (sensory to inside of the cheek)

Question 17

The mandibular nerve supplies what muscles?

Answer 17

2 big ones – Masseter and Temporalis

2 Pterygoids – Lateral and medial

2 Floor of the mouth

• Mylohyoid
• Anterior belly of digastric

2 small ones – Tensor timpani and levator palatini

Question 18

what is the artery for the infratemporal fossa?

Answer 18

Maxillary artery - also supplies roof of oral cavity and nasal cavity

Question 19

when someone gets a blow to the head at the area of the pterion- what occurs?

Answer 19

tempory loss of consciousness - then a period where you think you’re fine, you continue on, then you deteriorate due to a extradural haematoma

*blown pupil due to compression of the parasympathetic which normally constricts the pupil*

Question 20

what area do the pterygoid plexus veins drain?

Answer 20

Drains areas supplied by the maxillary artery

Connected by emissary veins to the cavernous sinus

*Facial infection can spread to the cavernous sinus

Question 21

what are the ligaments of the mandible joint?

Answer 21

Spheno mandibular ligament

From the Spine of the sphenoid

To the lingula of the mandible

Stylomandibular ligament

From the styloid process to the mandible

Question 22

what nerve goes through pterygopalatine fossa?

Answer 22

the maxillary nerve

Question 23

show on a picture the pterygomaxillary fissure and the pterygopalatine fossa

Answer 23

Question 24

what are the boundaries of the pterygopalatine fossa?

Answer 24

Question 25

what is the artery/nerve of the pterygopalatine fossa?

Answer 25

maxillary nerve and artery

Question 26

if a patient comes in with facial trauma and they complain of a numb upper lip, what nerve is effected?

Answer 26

infraorbital nerve

Question 27

what is known as the ‘hay fever gangilan’?

Answer 27

the pterygopalatine ganglion - transmits fibers going to nasal glands etc

Question 28

where does your ‘hay fever ganglion ‘ sit?

Answer 28

pterygopalatine fossa

Question 29

what type of joint is the TMJ ?

Answer 29

atypical synovial (b/c it has a disc)

it is a hinge joint

Question 30

what muscles close your mouth?

Answer 30

temporalis

masseter

Question 31

what muscles are responsible for the different movements of the jaw?

Answer 31