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Dental Morphology > Anatomical Parts Of A Tooth & Oral Cavity Features > Flashcards

Anatomical Parts Of A Tooth & Oral Cavity Features Flashcards

1
Q

The teeth, gingiva, and associated bone

A

Dental arch

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2
Q

The upper arch including the associated teeth

A

Maxillary arch

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3
Q

The lower arch and associated teeth

A

Mandibular arch

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4
Q

In the human skull, what is the only bone that moves?

A

Mandible

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5
Q

How many permanent teeth do we have?

A

32

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6
Q

The maxillary arch and the Mandibular arch get divided into what?

A

four quadrants

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7
Q

What does this image show?

A

Incisors

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8
Q

What does this image show?

A

Canines

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9
Q

What does this image show?

A

Premolars

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10
Q

What does this image show?

A

Molars

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11
Q

What does the notation system describe?

A

The number and order of permanent teeth

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12
Q

What is the permanent dental formula?

A

(I) 2/2 (C) 1/1 (P) 2/2 (M) 3/3

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13
Q

Where is each arch divided in half?

A

The midline

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14
Q

What is each half arch considered?

A

A quadrant

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15
Q

What are the four quadrants?

A

Maxillary right quadrant, Maxillary left quadrant, Mandibular right quadrant, Mandibular left quadrant

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16
Q

Each arch can be divided into ____ teeth and ____ teeth.

A

Anterior teeth and posterior teeth

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17
Q

What comprises our anterior teeth?

A

8 incisors, and 4 canines

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18
Q

What comprises our posterior teeth?

A

8 premolars, and 12 molars

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19
Q

What is another name for deciduous teeth?

A

Primary teeeth

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20
Q

How many deciduous teeth do we get?

A

20 deciduous teeth

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21
Q

How many deciduous teeth do we get per arch?

A

10 per arch

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22
Q

What deciduous teeth make up each arch?

A

4 incisors
2 canines
4 molars

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23
Q

The notation system which describes the number and order of primary teeth is called:

A

Deciduous dental formula

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24
Q

What is the Deciduous dental formula?

A

(I) 2/2 (C) 1/1 (M) 2/2

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25
Q

What part of the tooth is covered with enamel?

A

The crown

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26
Q

What part of the tooth is covered with cementum?

A

Root(s)

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27
Q

What covers the crown? What covers the roots?

A

Enamel; cementum

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28
Q

What is the dense hydroxyapatite surface of the crown?

A

Enamel

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29
Q

What is the inner hard layer of the crown and root?

A

Dentin

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30
Q

What is the vascular innervated portion of the tooth?

A

Pulp

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31
Q

What is the outer layer of the root surface?

A

Cementum

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32
Q

What is the junction of enamel and dentin layers?

A

DentoEnamel Junction (DEJ)

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33
Q

What is the junction of enamel and cementum layers?

A

CementoEnamel Junction (CEJ)

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34
Q

What is the junction of the anatomical crown and root?

A

Cervical Line

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35
Q

What is the portion of the tooth that is visible in the mouth?

A

The clinical crown

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36
Q

What is the crown above the CEJ called?

A

Anatomical crown

37
Q

What are these arrows pointing too?

A

Red- Enamel
Green- Dentin
Blue- Pulp
Yellow- Cementum

38
Q

What is the purple arrow pointing to? What is the blue arrow pointing to?

A

Purple- DEJ
Blue- CEJ

39
Q

What is the outer most surface toward the cheek or lips?

A

Facial (buccal/labial)

40
Q

What is the inner most surface toward the tongue or palate?

A

Lingual (palatal)

41
Q

What is the surface of the tooth toward the median line?

A

Mesial

42
Q

What is the portion of the tooth away from the median line?

A

Distal

43
Q

What is the biting edge of anterior teeth?

A

Incisal

44
Q

What is the biting or chewing surface of posterior teeth?

A

Occlusal

45
Q

Describe these surfaces labeled

A

Blue- Mesial
Green- Distal
Red- Lingual
Yellow- Facial

46
Q

What is another name for the facial surface?

A

The buccal or labial surface

47
Q

What is another name for the lingual surface?

A

The palatal surface

48
Q

What is this image showing?

A

Incisal surface

49
Q

What is this image showing?

A

Occlusal surface

50
Q

What are the projections on a crown called? (the mountains)

A

Cusps

51
Q

What are the depressions or concavity between cusps or ridges called? (Valley)

A

Fossa

52
Q

What are these arrows showing?

A

Green: Cusp
Blue: Fossa

53
Q

What is the linear elevation on the surface of a tooth called?

A

Ridge

54
Q

What is a ridge named according to?

A

It’s location

55
Q

What is the lingual crown projection on anterior teeth?

A

Cingulum

56
Q

What is the red line pointing to?

A

Cingulum

57
Q

What are the lines between the primary parts of a crown or root?

A

Groove

58
Q

What is the pinpoint depression at the junction or termination of a groove?

A

Pit

59
Q

What is the primary center of development within a tooth?

A

Lobe

60
Q

What are the round projections of enamel on newly erupted teeth?

A

Mamelon

61
Q

What is the point at which the root divides?

A

Furcation

62
Q

What is the opening in the root for entrance of the pulp?

A

Root apex

63
Q

What are these arrows pointing too?

A

Blue: furcation
Yellow: root apex

64
Q

What is the vascular innervated portion of the tooth?

A

Pulp

65
Q

What is the name of the chamber containing dental pulp?

A

Pulp Chamber

66
Q

What is the highest projection of pulp chamber within the crown?

A

Pulp horn

67
Q

What is the inner portion of the root containing the dental pulp?

A

Pulp canal

68
Q

What are the arrows pointing to?

A

Green: pulp horn
Blue: pulp chamber
Red: pulp canal

69
Q

What is the the name of the tissues that surround the teeth?

A

Periodontium

70
Q

What does the periodontium include?

A
  1. Gingiva
  2. Cementum
  3. Alveolar bone
  4. Periodontal ligament
71
Q

What covers the bone and surrounds the cervical portion of the teeth?

A

Gingiva

72
Q

What is another name for gingiva?

A

Gums

73
Q

What components is the gingiva divided up into?

A

Free gingiva, Attached gingiva and Interdental papilla

74
Q

Pale pink- includes free gingiva, attached gingiva and interdental papilla

A

Gingiva

75
Q

Dark red; loose attachment to the underlying bone

A

Alveolar mucosa

76
Q

What is the junction of alveolar mucosa and gingiva?

A

Mucogingival Junction

77
Q

This labeled area is known as:

A

Alveolar mucosa

78
Q

What are the names?

A
  1. Alveolar mucosa
  2. Attached gingiva
  3. Free gingiva
79
Q

What is the gingiva that is closer to the tooth crown, not attached to bone?

A

Free Gingiva

80
Q

What separates the attached gingiva from the free gingiva?

A

Free gingival groove

81
Q

Label this photo

A

Blue: Free gingiva
Green: Free gingival groove
Red: Gingival margin
Yellow: Attached gingiva
Purple: MGJ
Pink: Alveolar mucosa

82
Q

What is the triangular shaped gingiva that occupies the gingival embrasure?

A

Interdental papilla (or gingival papilla)

83
Q

What is this image pointing to?

A

Gingival papilla or interdental papilla

84
Q

Can the gingival sulcus be seen visually? How do we evaluate it?

A

No; with a periodontal probe

85
Q

What is the blue arrow pointing to?

A

Gingival Sulcus

86
Q

What surrounds the tooth root and attaches tooth to alveolar bone (periodontal fibers)

A

Periodontal Ligament (PDL)

87
Q

What forms and supports tooth sockets?

A

Alveolar bone

88
Q

What is another name for alveolar bone?

A

Alveolar process

89
Q

What are these arrows pointing to?

A

Pink: periodontal ligament (PDL)
Blue: alveolar bone

Dental Morphology (11 decks)

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