oral

Question 1

what positions food on occlusal surfaces

Answer 1

buccinator and tongue

Question 2

what nn and vessels may be found in the mandiblar foramen

Answer 2

inf alveolar nn and Aa/Vv

Question 3

what nn innervates the intrinsic mm of the tongue

Answer 3

CN 12, hypoglossal

Question 4

lymph drainage of the oral region

Answer 4

typically down and in to the int jugular, crossover may occur to the submandibular lymph nodes but not always

Question 5

free, attached gingiva and alveolar mucosa

Answer 5

free: not attached to underlying bone, most coronal
attached: firmly attached to underlying bone
alveolar mucosa: superficial to the alveolar bone

Question 6

inn of the max teeth

Answer 6

ALL BRANCHES OF CNV2
incisors and canine: anterior sup. alveolar nn
PM and half the 1st molar: middle sup. alveolar
2nd half M1 and M2 and 3: post. sup. alveolar
NOT EXACT VARIATION MAY OCCUR

Question 7

Inn of the maxillary gingiva

Answer 7

CNV2 BRANCHES
incisors to canine: half ant sup alveolar and half infra orbital to the distal
PM: mesial=infraorbital, distal=mid sup alveolar
M: post sup alveolar

Question 8

man teeth inn

Answer 8

CNV3 BRANCHES
anterior teeth: incisive branch of the inf alveolar
posterior: dental branches of the inf. alveolar

Question 9

man gingival inn

Answer 9

CNV3 BRANCHES
anterior+PM: mental branch of the inf alveolar
M: buccal branch

Question 10

inf alveolar continues on past the teeth as?

Answer 10

mental branch of CNV3

Question 11

where does the inf alveolar nn enter the mandible, landmark?

Answer 11

mandibular foramen, lingula

Question 12

additional motor inn of CNV3

Answer 12

mylohyoid
ant belly digastric
tensor veli palatini
tensor typmpani

Question 13

descidous teeth eruption pattern

Answer 13

CI>LI>C>M1>M2

Question 14

permanent teeth eruption pattern

Answer 14

M1>CI>LI>C>PM1>PM2>M2>M3

Question 15

opening/closing of the eutachian tube

Answer 15

opens and close with the salpingopharyngeal fold, action done by the tensor palatini veli inn by CN V3

Question 16

portions of the palate/composition

Answer 16

Hard: maxilla and palatine bones
soft: mm/aponeurosis, mucosa, palatine glands

Question 17

portions of the pharynx sup to inf

Answer 17

nasopharynx
oropharynx
laryngopahrynx

Question 18

what can be found in the nasopharynx

Answer 18

eustachian tube

isthmus of the pharynx/transition to oropharynx

Question 19

contents of the oropharynx

Answer 19

palatopharyngeal arch

Question 20

palatoglossal arch

Answer 20

from the palate to the tongue

contains palatoglossus mm

Question 21

palatopharyngeal arch

Answer 21

from the palate to the base of tongue/pharynx

contains the palatopharyngeus mm

Question 22

waldeyer’s ring

Answer 22

palatine, adenoids and lingula tonsils form a ring of lymphoid tissues for the nasal and oral cavity

Question 23

epiglottis

Answer 23

tissue that will fold to protect the trachea from debris when ingesting foods

Question 24

mm of the tongue

Answer 24

intrinsic tongue mm
genioglossus
mylohyoid
geniohyoid

Question 25

foramen of the hard palate

Answer 25

incivise foramen | greater/lesser palatine foramen

Question 26

palatine glands secretions

Answer 26

secrete mucus/saliva

Question 27

portions of the soft palate, landmark?

Answer 27

``` aponeurosis muscular mucosa glands pterygoid hamulus often present here ```

Question 28

uvula

Answer 28

downhang of the soft palate, may contain mm fibers

Question 29

arches of the posterior oral cavity, contents/between them?

Answer 29

palatoglossal and palatopharygeal arches, between them is the palatine tonsil

Question 30

contents of the G/L palatine foramen

Answer 30

G/L palatine nn and Aa

Question 31

what mm goes over the pterygoid notch

Answer 31

tensor palatini veli

Question 32

musculus uvulae

Answer 32

mm of the uvula

Question 33

tensor palatini veli action/ inn

Answer 33

CN V3 tenses the soft palate open the eutachian tube during swallowing and yawning

Question 34

levator veli palatini action/ inn

Answer 34

CN X PHARYNGEAL BRANCH | elevates soft palate during yawning and swallowing

Question 35

palatoglossus action/inn

Answer 35

PHARYNGEAL BRANCH CN X | elevates post tongue, draws soft palate onto tongue

Question 36

palatopharyngeus action/inn

Answer 36

PHARYNGEAL BRANCH CN X | tenses soft palate and pulls walls of pharynx sup,ant and medially while swallowing

Question 37

musculus uvulae action/inn

Answer 37

PHARYNGEAL BRANCH CNX | shortens uvula/pulls superiorly

Question 38

incisive foramen contents

Answer 38

nasopalatine nn and Aa

Question 39

tongue divisions

Answer 39

anterior 2/3 and post 1/3 seperated by circumvalle papailla

Question 40

post third of the tongue is?

Answer 40

lingual tonsil

Question 41

wharton's/stenson's ducts

Answer 41

whartons= submandibular, located on the lingual frenulum | stenson's=parotid

Question 42

genioglossus action/inn

Answer 42

CN 12 | tongue protrusions, central depression

Question 43

hyoglossus action/inn

Answer 43

CN 12 | depresses tongue, retrudes

Question 44

styloglossus action/inn

Answer 44

CN 12 | retrudes and curls tongue, helps to form central trough

Question 45

palatoglossus action/inn

Answer 45

mm of palate=CN 10 inn | elevates posterior tongue/depress soft palate

Question 46

blood supply/drainage of teeth

Answer 46

aa and vv of same name as the nn that supplies them

Question 47

blood supply of the tongue

Answer 47

from the ext carotid | gives off lingual aa that forms the sublingual and deep lingual aa to supply the tongue

Question 48

venous drainage of the tongue

Answer 48

drained by deep lingual, dorsal lingual and sublingual vv | all drain into the internal jugular vv

Question 49

lymph drainage of the tongue

Answer 49

down and in pattern usually to subman, sublingual and deep cervical LN important for cancer metasesis

Question 50

whartons duct, obstruction?

Answer 50

large duct of the subman gland | can be obstructed due to high mucus content/drying out=leads to pathology/stone formation

Question 51

what ligament attaches to the lingula

Answer 51

sphenomandibular

Question 52

posterior superior alveolar foramen contents

Answer 52

posterior superior alveolar nn, aa and vv for max teeth