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My Oral Anatomy > The Oral Cavity > Flashcards

The Oral Cavity Flashcards

1
Q

Transition zone between mucous membrane and skin

A

Vermilion border

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2
Q

Boundary between vermilion border and skin

A

Mucocutaneous junction

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3
Q

Corner of mouth - junction of upper and lower lip

A

Commissure

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4
Q

Lines leading away from nose towards mouth

“Smile lines”

A

Nasolabial groove

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5
Q

Vertical groove at base of nose

A

Phitrum

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6
Q

Groove below lower lip towards the chin

A

Labiomental groove

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7
Q

What are the components of the oral cavity?

A 
Lips
Teeth
Tongue
Roof of mouth
Floor of mouth
Vestibules
Oral mucosa
Gingiva
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8
Q

How many teeth are there in the primary dentition?

A

20

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9
Q

What age range does mixed dentition typically occur?

A

6-12 years

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10
Q

Top side of tonuge - covered with papillae

A

Dorsum

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11
Q

Describe the underside of tongue

A

Shiny

Visible blood vessels

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12
Q

Band of tissue attaching center of under surface of tongue to the floor of the mouth

A

Lingual frenum

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13
Q

Boundary between vermilion border and mucous membrane

A

Wet dry line

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14
Q

What are the features of the hard palate?

A

Palatine raphe
Palatine rugae
Incisive papilla

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15
Q

Describe the sides of the hard palate

A

Not as hard as palatine raphe

Fat and salivary gland tissue beneath surface tissue

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16
Q

Elevation of tissue between and behind central incisors

A

Incisive papilla

Gets irritated easily

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17
Q

Slightly elevated centerline of hard palate running antero-posteriorly
Line of union of the right and left maxillae

A

Palatine raphe

18
Q

Where does the hard palate end?

A

Opposite the third molar area

19
Q

Series of elevations (bundles of connective tissue) running side to side in hard palate behind maxillary anterior teeth

A

Palatine rugae

20
Q

What is the function of palatine rugae?

A

Provide tactile sensing of objects/food

Aid in tongue placement

21
Q

Describe the soft palate (functions and features)

A

Function: close off nasal pharynx
Features: Uvula, fovea palatinae
No bone beneath the surface

22
Q

Small fleshy structure hanging from the center of the posterior border of the soft palate

A

Uvula

23
Q

Pits in soft palate located at either side of center line - slightly posterior to junction of hard and soft palate
Openings of ducts of a number of palatine glands

A

Fovea palatinae

24
Q

What is the main excretory duct of the submandibular gland?

A

Wharton’s duct

25
Q

Where does Wharton’s duct open?

A

Side of lingual frenum

26
Q

What makes up the sublingual glands?

A

One large gland and several small glands

Bartholin’s duct

27
Q

What is the main duct of the sublingual gland?

A

Bartholin’s duct

28
Q

Where is Bartholin’s duct located?

A

Opens near Wharton’s duct

29
Q

What’s another name for the sublingual folds?

A

Plica sublingualis

30
Q

Where are the sublingual folds?

A

Created by sublingual gland
Extend horizontally to right and left of lingual frenum where it attaches to the floor of the mouth
Openings of ducts from small underlying glands

31
Q

What is the tissue lining the inside of the cheek?

A

Buccal mucosa

32
Q

What is the main excretory duct of the parotid gland?

A

Stensen’s duct

33
Q

What is Stensen’s duct?

A

Flap of tissue that opens opposite maxillary first molar (variable)
Along occlusal plane
Main excretory duct of Parotid gland

34
Q

Space bounded by the cheek/lip on one side and by the teeth/gingiva covering the bone of the maxilla/mandible on the other side

A

Vestibule

35
Q

Mucous membrane that lines the oral cavity

A

Oral mucosa

36
Q

What are the types of oral mucosa?

A

Masticatory
Lining
Specialized

37
Q

What are the features of masticatory oral mucosa and where is it?

A

Tightly held down
Hard palate
Gingiva

38
Q

Mucous membrane and fibrous connective tissue that covers the alveolar process of the jaw and surrounds the necks of the teeth

A

Gingiva

39
Q

What defines the lining oral mucosa?

A

Not tightly held down

40
Q

What is specialized oral mucosa and where is it?

A

Tissue covering the tongue

Papillae and taste buds

My Oral Anatomy (18 decks)

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