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DDS1-gross anatomy > oral cavity (visual inspection/palate) > Flashcards

oral cavity (visual inspection/palate) Flashcards

1
Q

roof of OC

A

hard and soft palate

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2
Q

floor of OC

A
  • muscular diaphragm (mylohyoid mm)
  • geniohyoid mm
  • tongue
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3
Q

lateral walls of OC

A

cheeks (merge with lips anteriorly)

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4
Q

anterior opening of OC

A

oral fissure

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5
Q

posterior opening of OC

A

oropharyngeal isthmus (opens into oral part of pharynx)

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6
Q

two regions of OC

A

oral vestibule (outer) and oral cavity proper (inner)

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7
Q

oral vestibule

A
  • space between teeth/gingiva and cheeks/lips

- open and close by mm of facial expression

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8
Q

oral cavity proper

A
  • inner aspect of dental arches

- fully occupied by tongue when mouth is closed

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9
Q

cheeks consist of

A
  • buccinator m

- fascia between the skin and oral mucosa

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10
Q

muscular diaphragm is made of

A

paired mylohyoid mm

-fills gap between L and R sides of mandibular body

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11
Q

geniohyoid mm are ___ relative to mylohyoid mm

A

above

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12
Q

tongue is ___ to the geniohyoid m

A

superior

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13
Q

structural processes of the maxilla

A

alveolar and palatine processes

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14
Q

what foramen is found on maxilla

A

incisive foramen

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15
Q

what passes through incisive foramen

A

nasopalatine n and vessels

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16
Q

two features / processes on palatine bone

A

horizonatal plate and pyramidal process

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17
Q

4 important features on palatine bone

A
  1. posterior nasal spine
  2. greater palatine foramen
  3. lesser palatine foramen
  4. pyramidal process
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18
Q

posterior nasal spine is associated with attachment of what

A

soft palate

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19
Q

where is greater palatine foramen found

A

distal to 2nd molar

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20
Q

pyramidal process is found between

A

inferior ends of pterygoid plates

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21
Q

genioglossus mm attach to

A

superior mental spines

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22
Q

geniohyoid mm attach to

A

inferior mental spines

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23
Q

pterygomandibular raphe (ligament) attaches to

A

retromandibular triangle and hamulus

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24
Q

what passes through mandibular foramen

A

inferior alveolar n and vessels

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25
Q

important features of sphenoid bone

A
  • pterygoid process and spine
  • haulus
  • scaphoid fossa
  • spine
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26
Q

hamulus acts as a pulley for

A

tensor veli palatini m

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27
Q

tensor veli palatini m origin

A

scaphoid fossa and spine of sphenoid bone

cartilagenous part of PT tube

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28
Q

important features of temporal bone

A

styloid process and inferior aspect of petrous part

29
Q

styloid process is the attachment for

A

styloglossus m of tongue

30
Q

inferior aspect of petrous part is a roughening for the attachment of

A

levator veli palatini m

31
Q

skin above mouth

32
Q

partition between nostrils

33
Q

outline of lip

A

vermillion border

34
Q

surface of lip

A

red transitional zone (vermillion)

35
Q

part where lips meet

A

oral fissure

36
Q

folds around mouth

A

nasolabial fold (groove)

37
Q

groove near chin

A

labiomental groove

38
Q

lips are separated from cheeks by

A

nasolabial fold

39
Q

vermillion border marks the beginning of the

A

red transitional zone

40
Q

bulk of the tongue is made up of what m

A

genioglossus m

41
Q

major muscle of the lips

A

orbicularis oris

42
Q

major gland of the lips

A

labial mucous glands

43
Q

mucous membrane of lips

A

intraoral vestibular portion

44
Q

junction between alveolar mucosa and lip/cheek mucosa

A

vestibular or mucobuccal fold

45
Q

border between gingiva and alveolar mucosa

A

mucogingival junction

46
Q

thick free-edged folds of mucous membrane

A

labial frenula (singular: frenum or frenulum)

47
Q

parotid papilla location

A

opposite to upper 2nd M

48
Q

parotid papilla opening into vestibule

A

orifice of parotid duct (Stensen’s duct orifice)

49
Q

palatine torus

A

bone growth on hard palate

50
Q

mandibular torus

A

bone growth on lingual aspect of mandible (area of PM and M)

51
Q

elevation just posterior to upper centrals

A

incisive papilla

52
Q

raised ridges radiating laterally starting posterior to incisive papilla

A

palatal rugae

53
Q

function of palatal rugae

A

help in manipulating food during mastication

54
Q

palatal raphe location

55
Q

movable posterior 1/3 of palate

A

soft palate

56
Q

midline pendulous projection ( posterior end)

57
Q

two arches posteriorly in soft palate

A

palatoglossal arch

palatopharyngeal arch

58
Q

palatoglossal arch

A
  • anterior

- from soft palate to lateral aspect of tongue

59
Q

palatopharyngeal arch

A

free posterior border of soft palate

-blends with lateral wall of pharynx

60
Q

round masses of lymphoid tissue between both arches

A

palatine tonsils

61
Q

5 mm of soft palate

A
  • tensor veli palatini
  • levator veli palatini
  • palatopharyngeus
  • palatoglossus
  • uvular mm
62
Q

veins of the palate drain into

A

pterygoid plexus of veins in IT fossa

63
Q

sensory nerve supply

64
Q

palate: parasymp (for glands) and taste (for soft palate) come from

A

fibers from greater petrosal n

65
Q

symp nerve supply (for blood vessels) in palate

A

fibers from deep petrosal n join sensory nn in PP fossa

66
Q

nerve supply to palate

A
  • nasopalatine n
  • greater palatine n
  • lesser palatine n
67
Q

nasopalatine n supplies

A

palatal gingiva and mucosa anterior to (and including) C

-nasal branch: nasal septum

68
Q

greater palatine n supplies

A

palatal gingiva and mucosa posterior to C

69
Q

lesser palatine n supplies

A

mucosa of soft palate

DDS1-gross anatomy (39 decks)

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