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Orofacial Week 1-4 > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

True or false
The tongue as a whole is a good indicator of a person’s overall health

A

True

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2
Q

True or false

Tongue is covered with stratified squamous epithelium

A

True

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3
Q

Lower surface

Thin epithelium

A

Ventral

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4
Q

Thick epithelium

Upper surface

A

Dorsal

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5
Q

4 types of papillae

A

Circumvallate
Fungiform
Filiform
Foliate

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6
Q

V-shaped row
13 elevations
Under a microscope, they rest in troughs

A

Circumvallate papillae

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7
Q

Anterior 2/3 of tongue
Tiny, round, red
Taste buds in these papillae
ONLY on upper portion of tongue

A

Fungiform papillae

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8
Q

Remainder anterior 2/3 of tongue
Slender , pointed prohections
No taste buds
Tactile sensation

A

Filiform papillae

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9
Q

The region near the midline on the dorsum, just behind the circumvallate papillae at the base of tongue

A

Lingual tonsils

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10
Q

Lateral side close to vallate papillae
Few taste buds

A

Foliate papillae

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11
Q

Crown is covered by

A

Enamel

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12
Q

Root is covered with

A

Cementum

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13
Q

The line formed by the junction of the cementum and the enamel is called

A

Cervical line or CEJ

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14
Q

Moving of the tooth through its surrounding tissue so that the clinical crown gradually appears longer

A

Eruption

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15
Q

Division of a root into 2 segments

A

Bifurcation

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16
Q

Division of a root into 3 segments

A

Trifurcation

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17
Q

Between the roots

A

Furcal region

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18
Q

What are the 4 tooth tissues

A

Enamel
Dentin
Cementum
Dental pulp

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19
Q

Outer surface of the anatomic crown formed by

Hardest tissue in human body

96% inorganic matter, 4 % organic water

A

Enamel

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20
Q

Body of the tooth
Softer than enamel, harder than cementum and bone
70% inorganic matter, 30% organic matter + water

A

Dentin

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21
Q

Grows very slowly and is initiated by normal attrition and wear, normal aging process

A

Secondary dentin

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22
Q

Dentin laid down in response to carries or trauma

A

Reparative dentin

23
Q

Provides a medium for attachment of the tooth to the alveolar bone

Covers the root in a non perfect layer

45% inorganic, 55% organic matter

A

Cementum

24
Q

Cells that produce cementum are called

A

Cementoblasts

25
Q

Is the union of two triangular ridges, a buccal and a lingual that cross the occlusal surface of a posterior tooth

A

Transverse ridge

26
Q

The development line that separates this 4th lobe from the labial lobes

A

Lingual groves

27
Q

Separates the lingual lobe the other 3 lobes

A

Lingual fossa

28
Q

Lingual love of an anterior tooth and makes up the bulk of the cervical third of the lingual surface

A

Cingulum

29
Q

Carved out section or area like a cave

A

Concavity

30
Q

Bulging out

A

Convexity

31
Q

Ridges of a tooth and a cusp tip are

A

Convex

32
Q

The union of 2 triangular ridges, a buccal and lingual

A

Transverse ridges

33
Q

The main ridges on each cusp that run from the tip of the cusp to the central part of the occlusal surface

A

Triangular ridges

34
Q

Rounded borders of enamel forming the mesial and distal shoulders

A

Marginal ridges

35
Q

Is an elevated portion of a tooth the runs in a line

A

Ridges

36
Q

Mound on crown of tooth

Found on canines, premolars and molars

A

Cusps

37
Q

Small pinpoint hole anywhere in enamel

A

Pits

38
Q

Lingual lobe of maxillary anterior teeth

A

Cingulum

39
Q

Depression or concavity on tooth

A

Fossa

40
Q

Small elevations of enamel on some portion if the crown

A

Tubercles

41
Q

Cut

A

Incisors

42
Q

Hold , grasp and tear

A

Canines

43
Q

Hold and grind (crush)

A

Premolars

44
Q

Chew and grind

A

Molars

45
Q

Longest teeth in the human dentintion

A

Canines

46
Q

What are the 2 divisions of the pulp

A

Pulp chamber
Pulp canals

47
Q

Dentin forming cells

A

Odontoblasts

48
Q

Nourishing, sensory, dentin reparative system of tooth

A

Pulp

49
Q

What are the 2 types of cementum?

A

Cellular
Acellular

50
Q

What are the 3 salivary glands

A

Parotid
Submandibular
Sublingual

51
Q

Produced 25% salivary volume
Largest of all the salivary glands
Secretes a thin, watery serious secretion

A

Parotid gland

52
Q

Produces 60-65% saliva
Mixed gland-serious and mucous cells
Also called maxillary gland

A

Submandibular gland

53
Q

Produces 10% of saliva
Smallest salivary gland
Anterior floor of mouth

A

Sublingual gland

Orofacial Week 1-4 (3 decks)

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