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anatomy > oral > Flashcards

oral Flashcards

1
Q

what positions food on occlusal surfaces

A

buccinator and tongue

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2
Q

what nn and vessels may be found in the mandiblar foramen

A

inf alveolar nn and Aa/Vv

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3
Q

what nn innervates the intrinsic mm of the tongue

A

CN 12, hypoglossal

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4
Q

lymph drainage of the oral region

A

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

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5
Q

free, attached gingiva and alveolar mucosa

A

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

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6
Q

inn of the max teeth

A

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

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7
Q

Inn of the maxillary gingiva

A

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

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8
Q

man teeth inn

A

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

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9
Q

man gingival inn

A

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

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10
Q

inf alveolar continues on past the teeth as?

A

mental branch of CNV3

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11
Q

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

A

mandibular foramen, lingula

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12
Q

additional motor inn of CNV3

A

mylohyoid
ant belly digastric
tensor veli palatini
tensor typmpani

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13
Q

descidous teeth eruption pattern

A

CI>LI>C>M1>M2

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14
Q

permanent teeth eruption pattern

A

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

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15
Q

opening/closing of the eutachian tube

A

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

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16
Q

portions of the palate/composition

A

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

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17
Q

portions of the pharynx sup to inf

A

nasopharynx
oropharynx
laryngopahrynx

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18
Q

what can be found in the nasopharynx

A

eustachian tube

isthmus of the pharynx/transition to oropharynx

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19
Q

contents of the oropharynx

A

palatopharyngeal arch

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20
Q

palatoglossal arch

A

from the palate to the tongue

contains palatoglossus mm

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21
Q

palatopharyngeal arch

A

from the palate to the base of tongue/pharynx

contains the palatopharyngeus mm

22
Q

waldeyer’s ring

A

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

23
Q

epiglottis

A

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

24
Q

mm of the tongue

A

intrinsic tongue mm
genioglossus
mylohyoid
geniohyoid

25
Q

foramen of the hard palate

A

incivise foramen

greater/lesser palatine foramen

26
Q

palatine glands secretions

A

secrete mucus/saliva

27
Q

portions of the soft palate, landmark?

A 
aponeurosis 
muscular 
mucosa 
glands 
pterygoid hamulus often present here
28
Q

uvula

A

downhang of the soft palate, may contain mm fibers

29
Q

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

A

palatoglossal and palatopharygeal arches, between them is the palatine tonsil

30
Q

contents of the G/L palatine foramen

A

G/L palatine nn and Aa

31
Q

what mm goes over the pterygoid notch

A

tensor palatini veli

32
Q

musculus uvulae

A

mm of the uvula

33
Q

tensor palatini veli action/ inn

A

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

34
Q

levator veli palatini action/ inn

A

CN X PHARYNGEAL BRANCH

elevates soft palate during yawning and swallowing

35
Q

palatoglossus action/inn

A

PHARYNGEAL BRANCH CN X

elevates post tongue, draws soft palate onto tongue

36
Q

palatopharyngeus action/inn

A

PHARYNGEAL BRANCH CN X

tenses soft palate and pulls walls of pharynx sup,ant and medially while swallowing

37
Q

musculus uvulae action/inn

A

PHARYNGEAL BRANCH CNX

shortens uvula/pulls superiorly

38
Q

incisive foramen contents

A

nasopalatine nn and Aa

39
Q

tongue divisions

A

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

40
Q

post third of the tongue is?

A

lingual tonsil

41
Q

wharton’s/stenson’s ducts

A

whartons= submandibular, located on the lingual frenulum

stenson’s=parotid

42
Q

genioglossus action/inn

A

CN 12

tongue protrusions, central depression

43
Q

hyoglossus action/inn

A

CN 12

depresses tongue, retrudes

44
Q

styloglossus action/inn

A

CN 12

retrudes and curls tongue, helps to form central trough

45
Q

palatoglossus action/inn

A

mm of palate=CN 10 inn

elevates posterior tongue/depress soft palate

46
Q

blood supply/drainage of teeth

A

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

47
Q

blood supply of the tongue

A

from the ext carotid

gives off lingual aa that forms the sublingual and deep lingual aa to supply the tongue

48
Q

venous drainage of the tongue

A

drained by deep lingual, dorsal lingual and sublingual vv

all drain into the internal jugular vv

49
Q

lymph drainage of the tongue

A

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

50
Q

whartons duct, obstruction?

A

large duct of the subman gland

can be obstructed due to high mucus content/drying out=leads to pathology/stone formation

51
Q

what ligament attaches to the lingula

A

sphenomandibular

52
Q

posterior superior alveolar foramen contents

A

posterior superior alveolar nn, aa and vv for max teeth

anatomy (28 decks)

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