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Dental Assisting > CHAPTER 10 - Landmarks of the face and oral cavity > Flashcards

CHAPTER 10 - Landmarks of the face and oral cavity Flashcards

1
Q

Ala of the nose

A

winglike tip on the outer side of each nostril

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2
Q

philtrum

A

rectangular area between the two ridges running from under the nose to the midline of the lip

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3
Q

tragus

A

cartilaginous projection on the external opening of ear

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4
Q

root

A

bridge of the nose

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5
Q

anterior naris

A

nostril

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6
Q

mental protuberance

A

chin

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7
Q

angle of the mandible

A

lower posterior of the ramus

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8
Q

zygomatic arch

A

prominence of the cheek

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9
Q

lips are medically called what

A

labia

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10
Q

vermillion border

A

darker border of color around the lips

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11
Q

labial comissure

A

corner of the mouth where upper and lower lips join

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12
Q

nasolabial sulcus

A

(smile lines) groove that extends upward between labial of commissure and nasal ala

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13
Q

changes in the vermillion border may be caused by what?

A

cancer

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14
Q

angular cheilosis

A

inflammation or cracking at the corners of mouth

caused by vitamin b12 deficiency

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15
Q

the oral cavity is lined by what?

A

mucus membrane tissue

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16
Q

How many areas does the oral cavity have?

A

two

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17
Q

what are the two areas of the oral cavity?

A

vestibule

oral cavity proper

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18
Q

where is the vestibule?

A

space between teeth and inner mucosal lining of lips and cheeks (space between lips and cheeks)

19
Q

where is the oral cavity proper?

A

space on the tongue side within the upper and lower dental arches (space in the middle between tongue and soft palate)

20
Q

mucobuccal fold

A

The base of each vestibule, where the buccal mucosa meets the alveolar mucosa

(where the bone and the cheek come together.)

21
Q

linea alba

A

white ridge of raised tissue that extends horizontally where the maxillary and mandibular teeth come together

22
Q

frenum

A

narrow band of tissue that connects two structures

23
Q

the lip and gingiva is connected by what?

A

labial frenulum

24
Q

buccal frenulum

A

connects the cheeks

25
Q

labial frenulum

A

connects the lips

26
Q

lingual frenulum

A

connects the tongue to the floor of the mouth

27
Q

surfaces of the attached gingiva and interdental papillae are presented in what texture?

A

stippled and resemble the rind of an orange.

28
Q

free gingiva

A

the gums closest to the teeth (tissues from the top of the gingival margin to the base of the gingival sulcus)

29
Q

attached gingiva

A

the gums above the free gingiva that is attached in and firm in place

30
Q

what is the gingiva between the teeth called?

A

interdental gingiva

31
Q

what color gingiva is NOT healthy?

A

purple

32
Q

what is sulcus?

A

space/pocket between the tooth and the free gingiva

3 mm in space is healthy

33
Q

what is interdental gingiva?

A

gingiva between the teeth that fills the interproximal embrasure

the triangle space covered by gingiva

34
Q

what are oral surfaces covered by?

A

oral mucosa

35
Q

where is the incisive papilla?

A

behind the maxillary central incisors.

a pear shaped pad of tissue that covers the incisive foramen

36
Q

what is palatal rugae?

A

irregular ridges or folds of the masticatory maxillary mucosa

37
Q

what is the soft palate?

A

moveable posterior third of the palate

38
Q

what is fauces?

A

holds the soft palate together

39
Q

strongest muscle in the body and the most versatile organ

A

tongue

40
Q

functions of the tongue

A

positions the food while eating
speaking
tasting and tactile sensations
cleansing the oral cavity

41
Q

where is the gag reflex?

A

membranes of soft palate, fauces and posterior portion of the tongue

42
Q

where are tastebuds located?

A

located in the fungiform papillae and inside the large vallate papillae

43
Q

where is the vallate papillae

A

posterior dorsum of the tongue where it forms a v shape row.

Dental Assisting (52 decks)

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