Deep Face

Question 1

posterior/superior boarder of temporal fossa

Answer 1

superior and infeior temporal lines

Question 2

anterior boarder of TF

Answer 2

frontal and zygomatic

Question 3

lateral boarder of temporal fossa

Answer 3

zygomatic arch

Question 4

inferior boarder of TF

Answer 4

infratemporal crest of sphenoid

Question 5

floor of TF

Answer 5

frontal, parietal, temporal, greater wing of sphenoid

Question 6

pterion

Answer 6

where frontal, parietal, temporal, and greater wing of sphenoid meet

Question 7

roof of TF

Answer 7

temporalis fascia

Question 8

lateral blow to temporal does what

Answer 8

breaks pterion, ruptures middle meningeal artery leading to an epidural hemorrhage

Question 9

contents of TF

Answer 9

temporalis m

temporalis fascia

Question 10

layers of temporals fascia and their attachments

Answer 10

superficial- superior margin of zygomatic arch

deep- under zygomatic arch and merges with investing fascia of masseter

Question 11

muscles of mastication

Answer 11

temporalis
masseter
lateral pterygoid
medial pterygoid

Question 12

LPM origin and insertion

Answer 12

superior head- greater wing sphenoid
inferior head- lateral lateral pterygoid plate
neck of mandible and articular disc

Question 13

action of LPM

Answer 13

protrude mandible and move it side to side

Question 14

innervation of mastication muscles

Answer 14

V3

Question 15

MPM origin and insertion

Answer 15

deep- medial lateral pterygoid plate and palatine bone
superficial- maxilla tuberosity
medial surface of mandible ramus

Question 16

action MPM

Answer 16

elevate and protrude mandible

grinding

Question 17

bones of TMJ

Answer 17

mandibular condyle
articular tubercle of temporal
mandibular fossa of temporal

Question 18

articular disc of TMJ

Answer 18

fibrocartilage fused with articular capsule

Question 19

function of superior articular disc

Answer 19

protrusion and retrusion

Question 20

function of inferior articular dic

Answer 20

elevation and depression

Question 21

intrinsic reinforcement of TMJ

Answer 21

lateral ligament

prevents posterior dislocation

Question 22

extrinsic reinforcement of TMJ

Answer 22

stylomandibular- not significant

sphenomandibular- primary passive support and fulcrum

Question 23

where does the extrinsic reinforcement of TMJ come from

Answer 23

remnants of Meckel’s cartilage

Question 24

muscles of TMJ depression

Answer 24

suprahyoid and infrahyoid

gravity

Question 25

muscles of TMJ elevation

Answer 25

temporalis masseter medial pterygoid

Question 26

muscles of TMJ protrusion

Answer 26

lateral pterygoid | masseter, MPM

Question 27

muscles of TMJ retrusion

Answer 27

temporalis | masseter

Question 28

motions inferior TMJ compartment involved with

Answer 28

elevation and depression

Question 29

motions superior TMJ compartment involved with

Answer 29

protrusion and retrusion

Question 30

lateral movement TMJ muscles

Answer 30

retractors same side- temporalis and master | protractors opposite side- MPM LPM

Question 31

contents of infra temporal fossa

Answer 31

``` inferior temporalis m MPM LPM maxillary a pterygoid venous plexus chorda tympani n mandibular division branches otic ganglion ```

Question 32

names of parts of maxillary artery

Answer 32

mandibular pterygoid pterygopalatine

Question 33

branches of part 1 maxillary artery

Answer 33

``` deep auricular anterior tympanic middle meningeal accessory menigeal inferior alveolar ```

Question 34

branches of part 2 maxillary artery

Answer 34

deep temporal masseteric pterygoid buccal

Question 35

branches of part 3 maxillary artery

Answer 35

``` posterior superior alveolar infraorbital descending palatine artery of pterygoid canal pharyngeal sphenopalatine ```

Question 36

location of pterygoid venous plexus

Answer 36

between temporals and pterygoid muscles

Question 37

drainage of pterygoid venous plexus

Answer 37

deep facial vein

Question 38

contents of pterygopalatine fossa

Answer 38

terminal maxillary artery nerve to pterygoid canal maxillary nerve pterygopalatine ganglion