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

Anatomical Parts Of A Tooth & Oral Cavity Features Flashcards

(89 cards)

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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
What part of the tooth is covered with enamel?
The crown
26
What part of the tooth is covered with cementum?
Root(s)
27
What covers the crown? What covers the roots?
Enamel; cementum
28
What is the dense hydroxyapatite surface of the crown?
Enamel
29
What is the inner hard layer of the crown and root?
Dentin
30
What is the vascular innervated portion of the tooth?
Pulp
31
What is the outer layer of the root surface?
Cementum
32
What is the junction of enamel and dentin layers?
DentoEnamel Junction (DEJ)
33
What is the junction of enamel and cementum layers?
CementoEnamel Junction (CEJ)
34
What is the junction of the anatomical crown and root?
Cervical Line
35
What is the portion of the tooth that is visible in the mouth?
The clinical crown
36
What is the crown above the CEJ called?
Anatomical crown
37
What are these arrows pointing too?
Red- Enamel Green- Dentin Blue- Pulp Yellow- Cementum
38
What is the purple arrow pointing to? What is the blue arrow pointing to?
Purple- DEJ Blue- CEJ
39
What is the outer most surface toward the cheek or lips?
Facial (buccal/labial)
40
What is the inner most surface toward the tongue or palate?
Lingual (palatal)
41
What is the surface of the tooth toward the median line?
Mesial
42
What is the portion of the tooth away from the median line?
Distal
43
What is the biting edge of anterior teeth?
Incisal
44
What is the biting or chewing surface of posterior teeth?
Occlusal
45
Describe these surfaces labeled
Blue- Mesial Green- Distal Red- Lingual Yellow- Facial
46
What is another name for the facial surface?
The buccal or labial surface
47
What is another name for the lingual surface?
The palatal surface
48
What is this image showing?
Incisal surface
49
What is this image showing?
Occlusal surface
50
What are the projections on a crown called? (the mountains)
Cusps
51
What are the depressions or concavity between cusps or ridges called? (Valley)
Fossa
52
What are these arrows showing?
Green: Cusp Blue: Fossa
53
What is the linear elevation on the surface of a tooth called?
Ridge
54
What is a ridge named according to?
It’s location
55
What is the lingual crown projection on anterior teeth?
Cingulum
56
What is the red line pointing to?
Cingulum
57
What are the lines between the primary parts of a crown or root?
Groove
58
What is the pinpoint depression at the junction or termination of a groove?
Pit
59
What is the primary center of development within a tooth?
Lobe
60
What are the round projections of enamel on newly erupted teeth?
Mamelon
61
What is the point at which the root divides?
Furcation
62
What is the opening in the root for entrance of the pulp?
Root apex
63
What are these arrows pointing too?
Blue: furcation Yellow: root apex
64
What is the vascular innervated portion of the tooth?
Pulp
65
What is the name of the chamber containing dental pulp?
Pulp Chamber
66
What is the highest projection of pulp chamber within the crown?
Pulp horn
67
What is the inner portion of the root containing the dental pulp?
Pulp canal
68
What are the arrows pointing to?
Green: pulp horn Blue: pulp chamber Red: pulp canal
69
What is the the name of the tissues that surround the teeth?
Periodontium
70
What does the periodontium include?
1. Gingiva 2. Cementum 3. Alveolar bone 4. Periodontal ligament
71
What covers the bone and surrounds the cervical portion of the teeth?
Gingiva
72
What is another name for gingiva?
Gums
73
What components is the gingiva divided up into?
Free gingiva, Attached gingiva and Interdental papilla
74
Pale pink- includes free gingiva, attached gingiva and interdental papilla
Gingiva
75
Dark red; loose attachment to the underlying bone
Alveolar mucosa
76
What is the junction of alveolar mucosa and gingiva?
Mucogingival Junction
77
This labeled area is known as:
Alveolar mucosa
78
What are the names?
1. Alveolar mucosa 2. Attached gingiva 3. Free gingiva
79
What is the gingiva that is closer to the tooth crown, not attached to bone?
Free Gingiva
80
What separates the attached gingiva from the free gingiva?
Free gingival groove
81
Label this photo
Blue: Free gingiva Green: Free gingival groove Red: Gingival margin Yellow: Attached gingiva Purple: MGJ Pink: Alveolar mucosa
82
What is the triangular shaped gingiva that occupies the gingival embrasure?
Interdental papilla (or gingival papilla)
83
What is this image pointing to?
Gingival papilla or interdental papilla
84
Can the gingival sulcus be seen visually? How do we evaluate it?
No; with a periodontal probe
85
What is the blue arrow pointing to?
Gingival Sulcus
86
What surrounds the tooth root and attaches tooth to alveolar bone (periodontal fibers)
Periodontal Ligament (PDL)
87
What forms and supports tooth sockets?
Alveolar bone
88
What is another name for alveolar bone?
Alveolar process
89
What are these arrows pointing to?
Pink: periodontal ligament (PDL) Blue: alveolar bone

Dental Morphology (11 decks)

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