Introduction To Dental Morphology Flashcards
(102 cards)
1
Q
The study of the forms of things
A
Morphology
2
Q
The terms used to describe human dentition, the surfaces and identifying characteristics
A
Nomenclature
3
Q
Teeth, gingiva, and associated bone
A
Dental arch
4
Q
The upper arch including the associated teeth
A
Maxillary arch
5
Q
The lower arch and associated teeth
A
Mandibular arch
6
Q
Which portion of the jaw moves?
A
Mandible
7
Q
Number of permanent teeth
A
32
8
Q
What are these teeth referred to?
A
Incisors
9
Q
What are these teeth referred to as?
A
Canines
10
Q
What are these teeth referred to as?
A
Premolars
11
Q
What are these teeth referred to as?
A
Molars
12
Q
Notation system that describes the number and order of permanent teeth
A
Permanent dental formula
13
Q
What is the permanent dental formula
A
14
Q
Each arch is divided in half at the ___
A
Midline
15
Q
Each half arch is a ____
A
Quadrant
16
Q
Label each quadrant
A
Maxillary Right Quadrant Maxillary Left Quadrant
Mandibular Right Quadrant Mandibular Left Quadrant
17
Q
Number of anterior teeth
A
12
18
Q
Which teeth are included in the anterior teeth?
A
Incisors and canines
19
Q
Number of posterior teeth
A
20
20
Q
Which teeth comprise the posterior teeth?
A
Premolars and molars
21
Q
Number of incisors
A
8
22
Q
Number of canines
A
4
23
Q
Number of premolars
A
8
24
Q
Number of molars
A
12
25
Primary teeth are also called _____
Deciduous teeth
26
Number of deciduous teeth
20
27
How many deciduous teeth per arch?
10
28
Numbers of each tooth per arch in children
4 incisors
2 canines
4 molars
29
The notation system which described the number and order of primary teeth
Deciduous dental formula
30
Deciduous dental formula
31
What is the top arrow pointing to?
The crown
32
What is the bottom arrow pointing to?
The root
33
The crown of the tooth is covered in ____
Enamel
34
The root of the tooth is covered in ____
Cementum
35
The dense hydroxyapatite surface of the crown
Enamel
36
The inner hard layer of the crown and root
Dentin
37
The vascular innervated portion of the tooth
Pulp
38
The outer layer of the root surface
Cementum
39
Junction of enamel and dentin layers
Dentoenamel Junction (DEJ)
40
Junction of enamel and cementum layers
Cementoenamel junction (CEJ)
41
Junction of the anatomical crown crown and root
Cervical line
42
Label the DEJ and CEJ
43
The portion of the tooth that is visible in the mouth
Clinical crown
44
The crown above the CEJ
Anatomical crown
45
Outer most surface toward cheek or lips
Facial
46
Facial surface of the tooth may also be called
Buccal or labial
47
Inner most surface towards the tongue or palate
Lingual
48
Lingual surface may also be called
Palatal
49
Toward the midline
Mesial
50
Away from the midline
Distal
51
Label each side of the tooth highlighted in yellow
1- Mesial
2- Lingual
3- Distal
4- Facial
52
Biting edge of anterior teeth
Incisal
53
Biting or chewing surface of posterior teeth
Occlusal
54
What surface of the tooth is highlighted in blue?
Incisal
55
What portion of surface of the tooth is highlighted in orange?
Occlusal
56
Projection on a crown
Cusp
57
Depression or concavity between cusps or ridges
Fossa
58
What is the top blue arrow pointing to?
Cusp
59
What is the bottom blue arrow pointing to?
Fossa
60
Linear elevation on the surface of a tooth
Ridge
61
How are the ridges of a tooth named?
According to its location
62
Lingual crown projection on anterior teeth
Cingulum
63
Line between the primary parts of a crown or root
Groove
64
Pinpoint depression at the junction or termination of a groove
Pit
65
Primary center of development within a tooth
Lobe
66
What does the blue arrow point to?
Cingulum
67
What does the blue arrow point to?
Groove
68
What is the blue arrow pointing to?
Ridge
69
What is the blue arrow pointing to?
Pit
70
What is outlined in blue?
Lobe
71
Round projections of enamel on newly erupted teeth
Mamelon
72
Incisal remnant of incisor development
Mamelon
73
What is the blue arrow pointing to?
Mamelon
74
How many roots do teeth have?
Single or multiple
75
Where the root divides
Furcation
76
The opening in the root for entrance of the pulp
Root apex
77
Chamber containing dental pulp
Pulp chamber
78
Highest projection of pulp chamber within the crown
Pulp horn
79
Inner portion of the root containing the dental pulp
Pulp canal
80
What do the the labeled arrows represent?
A- Furcation
B- Root apex
81
What do the labeled arrows represent?
A- Pulp chamber
B- Pulp horn
C- Pulp canal
82
The tissues that surround the teeth
Periodontium
83
What is the periodontium comprised of?
1. Gingiva
2. Cementum
3. Alveolar bone
4. Periodontal ligament
84
Covers the bone and surrounds the cervical portions of the teeth
Gingiva
85
Gingiva can be further divided into
Free gingiva
Attached gingiva
Interdental papilla
86
Color of healthy gingiva
Pale pink
87
Gingival tissue that has loose attachment to the underlying bone
Alveolar mucosa
88
Color of healthy alveolar mucosa
Dark red
89
What do the following labels represent?
A- Alveolar mucosa
B- Attached gingiva
C- Free gingiva
D- Gingival margin
90
Junction of the alveolar mucosa and gingiva
Mucogingival junction
91
Gum tissue closer to the tooth crown, not attached to bone
Free gingiva
92
Separates attached gingiva from free gingiva
Free gingival groove
93
What do the following labels represent?
1- Free gingiva
2- Free gingival groove
3- Gingival margin
4- Attached gingiva
5- Alveolar mucosa
6- Mucogingival junction (MGJ)
94
Triangular shaped gingiva that occupies the gingival embrasure
Interdental papilla/Gingival papilla (GP)
95
What does the blue arrow point to?
Interdental papilla (gingival papilla or GP)
96
The part of the gum tissue that is not seen visually but can be evaluated with a periodontal probe
Gingival sulcus
97
Space between tooth surface and narrow cervical collar of free gingiva
Gingival sulcus
98
What does the blue arrow point to?
Gingival sulcus
99
Surrounds the tooth root and attaches tooth to alveolar bone
Periodontal ligament (PDL)
100
Forms and supports tooth sockets
Alveolar bone
101
Alveolar bone may also be referred to as
Alveolar process
102
What do the blue arrows point to?
A- Periodontal ligament (PDL)
B- Alveolar Bone
