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What is morphology? Flashcards

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1
Q

study of the forms of things

A

morphology

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2
Q

terms used to describe human dentition, the surfaces and identifying

A

nomenclature

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3
Q

arch that includes teeth, gingiva, and associated bone

A

dental arch

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4
Q

includes the upper arch and the associated teeth

A

maxillary arch

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5
Q

includes the lower arch and associated teeth

A

mandibular arch

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6
Q

Which bone is the only one in the face that moves?

A

mandible

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7
Q

How many permanent teeth are there?

A

32

16 in the maxillary and 16 in the mandibular arch

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8
Q

How many of each type of tooth are there in the permanent dentition of each arch?

A

4 incisors
2 canines
4 premolars
6 molars

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9
Q

half of each arch (maxillary and mandibular) is called:

A

quadrant (4)

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10
Q

What are the 4 quadrants in the mouth?

A

Maxillary right quadrant
maxillary left quadrant
mandibular left quadrant
mandibular right quadrant

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11
Q

What is the permanent dentition formula?

A

I2/2 C1/1 P2/2 M3/3 = 16

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12
Q

notation system which describes the number and order of permanent teeth

A

permanent dental (dentition) formula

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13
Q

Which are the anterior teeth and how many are there total?

A

Incisors (8)

Canines (4)

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14
Q

Which are the posterior teeth and how many are there total?

A

Premolars (8)

Molars (12)

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15
Q

How many deciduous or primary teeth are there?

A

20 (10 per arch)

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16
Q

How many of each type of tooth are there in the primary/deciduous dentition of each arch?

A

4 incisors
2 canines
4 molars

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17
Q

What is the deciduous dental formula?

A

I2/2 C1/1 M2/2

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18
Q

What are the 2 types of incisors?

A

central and lateral (maxillary and mandibular)

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19
Q

Which teeth have thin biting edges designed to cut food?

A

incisor

incisal edge

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20
Q

Which teeth are also referred to as “Cuspids” or “eye teeth”?

A

canines

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21
Q

Each quadrant has __ canine(s); each arch therefore has __ canine(s).

A

1

2

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22
Q

pointed teeth designed to tear, pierce, and hold food, and guide movement of the mandible

A

canines

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23
Q

Each quadrant has __ premolar(s); each arch therefore has __ premolar(s).

A

2

4

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24
Q

the ___ premolars are located just distal to the permanent canine and just mesial to the ___ premolar.

A

first

second

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25
fourth and fifth teeth from the midline in each quadrant
premolars
26
teeth designed to hold and grind food
premolars
27
Which molar is closest to the midline?
first molar
28
Which molars are missing in primary dentition?
third molars
29
large teeth used to mill and grind food
molars
30
part of the tooth covered with enamel
crown
31
part of the tooth covered with cementum
root (one or more)
32
dense hydroxyapatite surface of the crown
enamel
33
inner hard layer of the crown and root
dentin
34
vascular innervated portion of the tooth
pulp
35
outer layer of the root surface
cementum
36
junction of enamel and dentin layers
DentoEnamel Junction (DEJ)
37
junction of enamel and cementum layers
CementoEnamel Junction (CEJ)
38
junction of the anatomical crown and root
cervical line
39
portion of tooth that is visible in the mouth and NOT covered by gingiva (gum)
clinical crown
40
crown above the CEJ (covered by enamel)
anatomical crown
41
The inside of the tooth is mainly composed of ___ and in the center is the ____ ____ and the _____ _____ containing pulp.
dentine pulp chamber pulp canal
42
vascular innervated portion of the tooth
pulp
43
chamber containing dental pulp
pulp chamber
44
highest projection of pulp chamber within the crown
pulp horn
45
inner portion of the root containing the dental pulp
pulp canal
46
What are the hard and soft tissues of the tooth?
hard: enamel, dentin, cementum soft: pulp
47
What is the boundary of the anatomical crown?
CEJ
48
In partly erupted tooth, the clinical crown is _____ than the anatomical crown.
shorter
49
In a tooth with gingival recession and root exposure, the clinical crown height is ______ than the anatomical crown height.
longer
50
outer most surface toward cheek or lips
facial (buccal/labial)
51
inner most surface toward the tongue or palate
lingual (palatal)
52
toward the median line
mesial
53
away from the median line
distal
54
biting edge of anterior teeth
incisal
55
biting or chewing surface of posterior teeth
occlusal
56
projection on a crown
cusp
57
depression or concavity between cusps or ridges
fossa
58
linear elevation on the surface of a tooth and is named according to its location
ridge
59
name the 5 crown elevations
``` cusp tubercle ridge mamelon cingulum ```
60
name the 4 crown depressions
groove fossa sulcus pit
61
lingual crown projection on anterior teeth
cingulum
62
line between the primary parts of a crown or root
groove
63
pinpoint depression at the junction or termination of a groove
pit
64
primary center of development within a tooth
lobe
65
round projections of enamel on newly erupted teeth
mamelon
66
Where do we usually see mamelons
children bc they usually wear away in adults
67
area where the root divides
furcation
68
opening in the root for entrance of the pulp
root apex
69
tissues that surround the teeth
periodontium
70
what does the periodontium include?
gingiva cementum alveolar bone periodontal ligament
71
cover the bone and surrounds the cervical portions of the teeth
gums/gingiva
72
What are the gingiva divided into?
free gingiva attached gingiva interdental papilla
73
pale-pink: includes free gingiva, attached gingiva and interdental papilla
gingiva
74
dark red: loose attachment to the underlying bone
alveolar mucosa
75
junction of the alveolar mucosa and ginigva
mucogingival junction
76
closer to the tooth crown, not attached to the bone
free gingiva
77
separates attached gingiva from free gingiva
free gingival groove
78
triangular shaped gingiva that occupies that gingival embrasure
interdental papilla (or gingival papilla GP)
79
part of gingiva not seen visually, but can be evaluated with a periodontal probe space between tooth surface and barrow cervical collar of free gingiva
gingival sulcus
80
surrounds tooth root and attaches tooth to alveolar bone (periodontal fibers)
periodontal ligament (PDL)
81
forms and supports tooth sockets
alveolar bone aka alveolar process

morphology (2 decks)

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