face & tmj

Question 1

how many bones are there in total?

Answer 1

22 bones

Question 2

What are the 3 parts that make up the face?

Answer 2

calvaria, floor of the cranial cavity, viscerocranium

Question 3

The muscles of the face are innervated by what nerve?

Answer 3

Cranial nerve 7, facial nerve

Question 4

What is the action of the Orbicularis Oculi?

Answer 4

Palpebral part: gently shuts the eye
Orbital part: forcefully shuts the eye

Question 5

What is the action of the occipitofrontalis?

Answer 5

Wrinkles forehead, lifts eyebrows

Question 6

What is the action of the nasalis?

Answer 6

Transverse part: comprises the nasal aperture
Alar part: flares the nostril

Question 7

What is the action of the procerus?

Answer 7

Draws down medial angle of eyebrow, produces horizontal wrinkles over nose

Question 8

What is the action of the depressor septi?

Answer 8

Pull nose inferiorly

Question 9

What is the action of the anguli oris?

Answer 9

Frown

Question 10

What is the action of the depressor labii inferioris?

Answer 10

Draws lower lip downward and laterally, like a partial cringe

Question 11

What is the action of the mentalis?

Answer 11

raises and protrudes lower lip

Question 12

What is the action of the corrugator supercilli?

Answer 12

Draws eyebrows medially and downward

Question 13

What is the action of the risorius?

Answer 13

retracts corners of the mouth

Question 14

What is the action of the zygomaticus?

Answer 14

Major: smile
Minor: draws upper lip upward

Question 15

What is the action of the orbicularis oris?

Answer 15

Closes lip; protrudes lip

Question 16

What is the action of the buccinator?

Answer 16

Presses cheek against teeth. compressed distended teeth

Question 17

What is the action of the platysma?

Answer 17

Tenses the skin of the neck and can bring corners of the mouth down

Question 18

What are the muscles of mastication and their actions?

Answer 18

Masseter: elevates the mandible
Temporalis: elevate and retract the mandible
Lateral pterygoid: protrusion and contralaterally deviate mandible
Medial pterygoid: elevate and contralaterally deviate mandible

Question 19

What is the action of the digastric muscle?

Answer 19

Anterior belly: opens mouth by lowering mandible
Posterior belly: pulls hyoid upward and back

Question 20

What is the temporomandibular ligament precents what movement?

Answer 20

limit lateral displacement

Question 21

What is the cranial nerve order?

Answer 21

OOO to touch and feel virgin girl vaina ah heaven

Olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibucochlear, glossopharyngeal, vagus, accessory, hypoglossal

Question 22

Branches of the external carotid artery that innervate the face

Answer 22

transverse facial
superficial temporal
maxillary
lingual
facial

“two small mice love food”

Question 23

Branches of the maxillary artery that innervate the face

Answer 23

infraorbital
buccal
mental

“I bought makeup”

Question 24

What foramen does the ophthalmic nerve (V1) pass through

Answer 24

superior orbital fissure

Question 25

What foramen does the maxillary nerve (V2) pass through

Answer 25

Foramen rotundum

Question 26

What foramen does the mandibular nerve (V3) pass through

Answer 26

foramen ovale

Question 27

What is bruxism?

Answer 27

grinding teeth

Question 28

Function of the lower and upper part of TM disc?

Answer 28

Lower part- depression and elevation
Upper part- allows protrusion and protraction

Question 29

Difference between bells palsy and a stroke?

Answer 29

Palsy- paralysis of the whole one side of the face
Stroke- paralysis of lower part of face