Oral Cavity Flashcards Preview

Jason's Neuro Block > Oral Cavity > Flashcards

Flashcards in Oral Cavity Deck (36):
1

the U-shaped mandible bones for the teeth are called?

alveolar arches

2

hard palate is made of two things:

1. palatine process of maxilla
2. horizontal process of palatine bone

3

what muscle is the floor of the mouth?

mylohyoid muscle

4

Tongue posteriorly contains what tonsils?

lungual tonsils

5

what demarcates the posterior/anterior tongue?

sulcus terminalis

6

2 arches that surround the palantine tonsil?

Ant: palatoglossal arch
Post: Palatopharyngeal arch

7

3 kinds of papillae on the tongue are?

Valate: ant. sulcus terminalis
foliate: post-latero tongue
Fungiform: surface of tongue

8

what is the midline meeting point of sulcis terminalis called?

foramen caecum

9

styloglossus does what?

retracts tongue

10

genioglossus does?

protrude tongue

11

hyoglossus does?

depress tongue

12

palatoglossus does?

elevate tongue

13

what depresses the tongue?

hyoglossus

14

what retracts the tongue?

styloglossus

15

what elevates tongue?

palatoglossus

16

what protrudes tongue?

genioglossus

17

what innervates tongue muscles?

hypoglossal except palatoglossus: pharyngeal branch of Vagus

18

3 intrinsic muscles of tongue:

1. superior long.
2. inferior longi.
3. transverse and vertical

19

intrinsic muscles innervated by?

hypoglossal

20

palatoglossus muscle innervated by?

Vagus

21

anterior 2/3 of tongue innervation?

1. Lingual (general) V3 Trigeminal
2. chorda tympani VII Facial

22

what innervates posterior 1/3 of tongue general vs. sensory

both glossopharengeal

23

how many teeth in adult if none removed?

16 upper
16 lower

24

how many premolars do we have?

8 total
4upper and 4 lower

25

What nerve supplies upper teeth?

maxillary nerve V2 Trigeminal

26

what nerve supplies lower teeth?

mandibular nerve V3 trigeminal

27

inferior tooth pain may refer pain where?

external auditory meatus via the post. auricular nerve

28

superior tooth pain may refer pain where?

maxillary sinus

29

name the 3 salivary glands:

1. parotid
2. submandibular
3. sublingual

30

where does the duct of submandibular gland emerge?

lateral sides of lingual frenulum

31

what is the soft palate made up of?

musculus uvulae
palatine aponeurosis attaches it to the hard palate

32

soft palate function?

1. seals nasal cavity during swallowing, coughing, suction
2. allow unimpeded breathing during chewing

33

what two muscles elevate the soft palate?

1. tensor veli palatini
2. Levator Veli Palatini

34

3 muslces depress soft palate?

1. musculus uvulae
2. palatoglossus
3. palatopharyngeus

35

what are the soft palate muscles innervated by?

Vagus
except tensor veli palatini (CN V)

36

What is Waldeyer's ring?

incomplete ring of lymphoid tissue
1. pharyngeal
2. Tubal
3. palatine
3. lingual