Oral Cavity

Question 1

boundries of the oral cavity

Answer 1

roof,floor,lateral walls, ant. opening, pos. aperture

Question 2

oropharyngeal isthmus ?

Answer 2

Opening b/w oral cavity & oropharynx

Question 3

oral vestibule

Answer 3

space b/w the lipss/cheeks and teeth, feeding tubes for broken jaw

Question 4

oral cavity proper is enclosed by ?

Answer 4

dental archs

Question 5

sensory oral cavity innervation is controlled predominantly by

Answer 5

branches of cn5

Question 6

upper teeth and palate are controlled by ?

Answer 6

superior alveolar nerves - max nerve

Question 7

lower teeth and oral part of tongue innervation ?

Answer 7

Inferior alveolar nerves & lingual nerves- V3

Question 8

Oropharyns is innervated by

Answer 8

CN10

Question 9

All glands above the level of oral fissure are innervated by

Answer 9

greater petrosal nerve

Question 10

all glands below the level of the oral fissure are innervared by

Answer 10

chorda tympani

Question 11

skeletal frame work of the oral cavity ?

Answer 11

Maxillae Palatine Bone,Sphenoid Bone,Temporal Bone,Hyoid, Mandible

Question 12

maxillae vs palatine bones

Answer 12

1) Palatine processes form anterior 3/4 of hard palate; 2) Alveolar processes hold upper teeth

Palatine – forms posterior 1/4 of hard palate and attachment of the soft palate

Question 13

sphenoid bone ?

Answer 13

pterygoid processes associated with soft palate structures
Pterygoid hamulus –
- pulley for tensor veli palatini muscle
- attaches upper end of pterygomandibular raphe

Question 14

stylohyoid

Answer 14

Draw hyoid backwards & elevate tongue

Question 15

inf mental spines of the mandible attach to the

Answer 15

geniohyoid

Question 16

sup mental spine of the mandible attach to the

Answer 16

genioglossus

Question 17

what muscles attach at the coronoid process of the mandible

Answer 17

massester and temporalis

Question 18

what muscles attach at the the condylar process ?

Answer 18

articular disc od tmj and lateral pterygoid

Question 19

wjat muscles attach at the ramus

Answer 19

medial pterygoid and masseter

Question 20

the buccinator orginates from __ (3 places)

and joins the _?

Answer 20

Pterygomandibular raphe, Alveolar part of mandible, Alveolar process of maxilla
ant margin of the sup constrictor

Question 21

innervation of the buccinator ?

Answer 21

motor buccal branch if CN7

sensory: buccal branch of CNV3

Question 22

mylohyoid fuction and nerve

Answer 22

depress mandible and open mouth,
elevate and pull hypid forward
pulls larynx forward
nerve- nerve to mylohyoid of Inf alveolar nerve o V3

Question 23

geniohyoid function and innervation

Answer 23

pulls hyoid bone and attached larynx up and forward during swallowing
works with mylohyoid to depress mandible and open mouth
innervated by c1 that hitch hikes on cn7

Question 24

structures that pass through triangular aperture

Answer 24

Hyoglossus & styloglossus mm
Lingual artery & vein
Lingual nerve, CN IX, CN XII
Lymphatics
Submandibular gland

Question 25

all papillae have taste buds except

Answer 25

filiform

Question 26

vallate papillae are innervated by

Answer 26

cn9

Question 27

foliate and fungiform are innervated by

Answer 27

cn7

Question 28

genioglossus: function and failure ?

Answer 28

depress and protrude tongue | failure= tongur falling to back of throat

Question 29

hyoglossus

Answer 29

retracts and depresses tongue

Question 30

what 2 nerves pass on the external surface of hyoglossus

Answer 30

CN12 AND LINGUAL

Question 31

Styloglossus f(x)

Answer 31

retract and elevate tongue

Question 32

palatoglossus ?

Answer 32

elevate back of tongue and depress soft palate | closes oropharyngeal isthmus

Question 33

Dorsal Lingual Veins travel with ?

Answer 33

Dorsal Lingual Veins: travels with CN XII; drains into IJV

Question 34

deep lingual vein follows?

Answer 34

Deep Lingual Vein: Follows lingual a. Drains into IJV

Question 35

CN9 innervates ?

Answer 35

Taste & general sensation to post. 1/3 of tongue vallate papillae Parotid Gland

Question 36

soft palate ?

Answer 36

Depresses to help close oropharyngeal isthmus | Elevates to separate nasopharynx from oropharynx

Question 37

tensor veli palatini

Answer 37

``` Vertical muscular part Horizontal fibrous part = palatine aponeurosis Tenses soft palate Opens pharyngotympanic tube V3 = Med. Pterygoid branch ```

Question 38

levator veli palatini

Answer 38

Only muscle to elevate soft palate Closes pharyngeal isthmus b/w nasopharynx & oropharynx CN X

Question 39

palatopharyngeus

Answer 39

Depresses soft palate Moves palatopharyngeal arch toward midline Elevates pharynx during swallowing CN X

Question 40

Palatoglossus

Answer 40

``` Depresses soft palate Moves palatoglossal arches to midline Elevates back of tongue Helps close oropharyngeal isthmus CN X ```

Question 41

what does the greater palatine artery supply ?

Answer 41

it is a br. of maxillary a. and | supplies hard palate & palatal gingiva

Question 42

lesser palatine a and the palatine branch of the ascendinf palatine a. supplies the ?

Answer 42

soft palate

Question 43

Ascending palatine a. br. of facial a. supplies soft palate & palatine glands ?

Answer 43

acending palatine a

Question 44

hard and soft palate inneveration

Answer 44

hard=greater palatine n | soft= lesser palatine n

Question 45

the nasopalatine n innervates ?

Answer 45

gingiva & mucosa of incisors & canines

Question 46

Anterior Superior Alveolar Artery and nerve

Answer 46

Supplies upper incisors and canines

Question 47

Posterior Superior Alveolar Artery supplies ?

Answer 47

From maxillary a. | Supplies upper molars and premolars

Question 48

Posterior Superior Alveolar Nerve

Answer 48

innervates max mols

Question 49

Middle Superior Alveolar Nerve innervates

Answer 49

max premols