1 Dental Anatomy and Nomenclature

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128 Terms

1
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Dogs, cats, primates, man

Name the animals that have brachydont teeth:

2
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Horses, cows, herbivores

Name the animals that have hypsodont teeth:

3
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Brachydont

These types of teeth have short crowns, well developed roots, and only narrow canals in the roots

4
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Hypsodont

These types of teeth have high crowns that erupt throughout life providing extra material for grinding food particulates down

5
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Cusp

What is 1?

<p>What is 1?</p>
6
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Crown

What is 2?

<p>What is 2?</p>
7
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Root

What is 3?

<p>What is 3?</p>
8
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Cementum

What is 4?

<p>What is 4?</p>
9
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Pulp

What is 5?

<p>What is 5?</p>
10
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Enamel

What is 6?

<p>What is 6?</p>
11
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Dentin

What is 7?

<p>What is 7?</p>
12
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Cementoenamel Junction (neck)

What is 8?

<p>What is 8?</p>
13
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Gingiva

What is 9?

<p>What is 9?</p>
14
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Periodontal ligament

What is 10?

<p>What is 10?</p>
15
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Alveolar bone

What is 11?

<p>What is 11?</p>
16
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Apex

What is 12?

<p>What is 12?</p>
17
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Enamel or dental bulge

What is 13?

<p>What is 13?</p>
18
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Gingival sulcus

What is 14?

<p>What is 14?</p>
19
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Free gingiva (pretty sure this and 9 are the exact same, my b)

What is 15?

<p>What is 15?</p>
20
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9/15: gingiva

4: cementum

10: periodontal ligament

11: alveolar bone

Select and name the 4 components that make up the periodontium:

<p>Select and name the 4 components that make up the periodontium:</p>
21
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Enamel

What is the hardest substance in the body?

22
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enamel

This is the hard, white substance that covers the tooth crown. Formed by ameloblasts in root bud (but amelogenesis stops prior to tooth eruption) aka incapable of repair after eruption. Effective barrier to heat/cold/sweet sensitivity

23
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enamel

Which is NOT able to repair after eruption?: dentin or enamel

24
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Dentin

This makes up the BULK of the tooth, comprised of tubules that communicate between pulp, enamel, and cement junctions. Contain odontoblasts that produce this throughout the life of the tooth when the tubule is exposed

25
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Primary (dentin when tooth is being formed), secondary (after tooth is erupted and made) and tertiary (reparative dentin)

How many different types of dentin are there? What is the difference?

26
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Fine nerve endings

What causes sensitivity within the dentin?

27
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Tertiary dentin: when enamel and dentin is gradually lost, so odontoblasts produce tertiary dentin to protect pulp (do NOT REMOVE.. body has already repaired itself)

What are these brown spots?

<p>What are these brown spots?</p>
28
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Cementum

This is the hard tissue forming the surface of the root in the tooth. The periodontal ligament and gingiva attach here. Produced by cementoblasts at the apex. Produced through life and increase with age.

29
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LOSS: prevent reattachment of periodontal lig.

HYPERCEMENTOSIS: "lock" tooth into alveolar socket (cementum fuses to bone)

What is the problem when you have loss of cementum in the tooth? What about the opposite direction with hypercementosis?

30
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Periodontal ligament

Fibrous connective tissue which fills space between cementum of the tooth root and alveolar bone. Act as shock absorbers, transmit occlusal forces, attaches tooth to bone and cement, supply nutrients

31
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Sharpey's fibers

What type of fibers are the periodontal ligament composed of?

<p>What type of fibers are the periodontal ligament composed of?</p>
32
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Pulp (pulp chamber)

This is soft tissue connective tissue encased in root canal containing nerves, fibroblasts, collagen fibers, blood, and odontoblasts (produce dentin through the life of the tooth) = narrows with age. basically this is where nerves/arteries/veins are and you want to protect

33
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Odontoblasts produce secondary dentin causing the pulp chamber to become narrower as the animal ages. If the dentin does not fill in the chamber with age as it should, the tooth will be very fragile

Odontoblasts line the pulp chamber (in the crown) and root canal (below crown). Who cares?

34
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Root (apical)

What is 1?

<p>What is 1?</p>
35
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Cementum

What is 2?

<p>What is 2?</p>
36
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Neck

What is 3?

<p>What is 3?</p>
37
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Crown (coronal)

What is 4?

<p>What is 4?</p>
38
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Dentin

What is 5?

<p>What is 5?</p>
39
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Enamel

What is 6?

<p>What is 6?</p>
40
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Pulp chamber

What is 7?

<p>What is 7?</p>
41
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Periodontal ligament space

What is 8?

<p>What is 8?</p>
42
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Interradicular bone (bone between the roots of a multirooted tooth)

What is 9?

<p>What is 9?</p>
43
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Furcation

What is 10?

<p>What is 10?</p>
44
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Root canal

What is 11?

<p>What is 11?</p>
45
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Alveolar margin

What is 12?

<p>What is 12?</p>
46
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Gingival sulcus

This is the normal physiological space between the free gingiva and the tooth surface, where you floss

47
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Alveolar mucosa

What is 1?

<p>What is 1?</p>
48
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Mucogingival junction

What is 2?

<p>What is 2?</p>
49
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Free gingival margin (where you probe for pockets)

What is 3?

<p>What is 3?</p>
50
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Attached gingiva

What is 4?

<p>What is 4?</p>
51
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104

What is the number according to the triadan system for 1?

<p>What is the number according to the triadan system for 1?</p>
52
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101

What is the number according to the triadan system for 2?

<p>What is the number according to the triadan system for 2?</p>
53
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ALL HAVE 1 ROOT

This is number 202

What is the number according to the triadan system for 3? How many roots do ALL of these teeth have?

<p>What is the number according to the triadan system for 3? How many roots do ALL of these teeth have?</p>
54
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CANINE: 3 roots = 109

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
55
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CANINE: 2 roots = 107

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
56
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CANINE: 1 root = 105

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
57
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CANINE: 1 root = 103

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
58
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CANINE: 1 root = 204

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
59
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CANINE: 2 roots = 206

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
60
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CANINE: 3 roots = 209

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
61
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CANINE: 3 roots = 210

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
62
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CANINE: 1 root = 305

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
63
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CANINE: 2 roots = 306

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
64
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CANINE: 2 roots = 308

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
65
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CANINE: 2 roots = 309

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
66
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CANINE: 1 root = 311

What is the number according to the triadan system for 5? How many roots does it have and what animal is this? (the one on the end)

<p>What is the number according to the triadan system for 5? How many roots does it have and what animal is this? (the one on the end)</p>
67
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CANINE: 1 root = 411

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
68
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CANINE: 2 roots = 410

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
69
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CANINE: 2 roots = 409

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
70
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CANINE: 2 roots = 407

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
71
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CANINE: 1 root = 405

What is the number according to the triadan system for 5? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 5? How many roots does it have and what animal is this?</p>
72
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FELINE: 2 roots = 109

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
73
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FELINE: 3 roots = 108

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
74
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FELINE: 2 roots = 107

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
75
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FELINE: 1 root = 106

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
76
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FELINE: 1 root = 206

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
77
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FELINE: 2 roots = 207

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
78
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FELINE: 2 roots = 209

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
79
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FELINE: 1 root = 404

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
80
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FELINE: 1 root = 402

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
81
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FELINE: 1 root = 301

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
82
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FELINE: 1 root = 303

What is the number according to the triadan system for 4? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 4? How many roots does it have and what animal is this?</p>
83
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FELINE: 2 roots = 409

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
84
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FELINE: 2 roots = 407

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
85
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FELINE: 1 root = 304

What is the number according to the triadan system for 1? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 1? How many roots does it have and what animal is this?</p>
86
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FELINE: 2 roots = 307

What is the number according to the triadan system for 2? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 2? How many roots does it have and what animal is this?</p>
87
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FELINE: 2 roots = 308

What is the number according to the triadan system for 3? How many roots does it have and what animal is this?

<p>What is the number according to the triadan system for 3? How many roots does it have and what animal is this?</p>
88
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Gingival sulcus (a natural groove or crevice that runs along the edge of the gum line where it meets the tooth.)

What is 5?

<p>What is 5?</p>
89
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toward apex of root

What is apical direction?

90
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toward tip of crown

What is coronal direction?

91
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below gingiva

What is subgingival direction?

92
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above gingiva

What is supragingival direction?

93
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Vestibular/buccal/labial

This is the surface of the tooth facing the vestibule or lips

94
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Lingual

This is the surface of a mandibular tooth facing the tongue

95
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Palatal

This is the surface of a maxillary tooth facing the palate

96
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Mesial

This is the interproximal surface of a tooth that faces rostrally or towards the midline of the dental arch

97
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Distal

This is the interproximal surface of a tooth that faces caudally or away from the midline of the dental arch

98
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100s

What is the upper right maxillary arcade of ADULT teeth called? (number?)

99
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200s

What is the upper left maxillary arcade of ADULT teeth called? (number?)

100
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400s

What is the lower right mandibular arcade of ADULT teeth called? (number?)