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Terms Flashcards

1
Q

what is nomenclature

A

the terms used to describe human dentition, the surfaces and identifying characteristics

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2
Q

dental arch

A

teeth, gingiva, and associated bone

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3
Q

maxillary arch

A

the upper arch including the associated teeth

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4
Q

mandibular arch

A

the lower arch and associated teeth

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5
Q

what moves in the mouth and how

A

ONLY the mandible, rotates and translates around the TMJ

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6
Q

how many permanent teeth are there

A

32

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7
Q

permanent dental formula

A

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

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8
Q

Each arch is divided into half where

A

the midline

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9
Q

each half arch is what

A

quadrant

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10
Q

what are the anterior teeth

A

incisors and canines

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11
Q

what are the posterior teeth

A

premolars and molars

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12
Q

what is deciduous

A

primary teeth

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13
Q

how many deciduous teeth are there

A

20

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14
Q

how many deciduous teeth per arch

A

4 incisors, 2 canines, 4 molars

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15
Q

deciduous teeth dental formula

A

I 2/2 C 1/1 M 2/2

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16
Q

what is the crown covered with

A

enamel

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17
Q

what is the root covered with

A

cementum

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18
Q

enamel=

A

the dense hydroxyapatite surface of the crown

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19
Q

dentin=

A

the inner hard layer of the crown and root

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20
Q

pulp=

A

the vascular innervated portion of the tooth

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21
Q

cementum=

A

the outer layer of the root surface

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22
Q

DEJ=

A

DentoEnamel Junction, junction of enamel and dentin layers

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23
Q

CEJ=

A

CementoEnamel Junction, junction of enamel and cementum layers

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24
Q

Cervical line

A

the junction of the anatomical crown and root

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25
Clinical crown=
the portion of the tooth that is visible in the mouth
26
Anatomical crown=
the crown above the CEJ
27
What are all the surfaces?
facial, lingual, mesial and distal
28
Facial surface=
aka buccal/labial, the outer most one
29
Lingual surface=
the inner most surface on the side of the tongue
30
Mesial surface=
towards the median line
31
Distal surface=
away from the median line
32
Incisal surface
the biting edge on anterior teeth
33
Occlusal surface
the biting edge of posterior teeth
34
Cusp=
projection on a crown
35
Fossa=
depression or concavity between cusps or ridges
36
Ridge=
the linear elevation on the surface of a tooth, named according to its location
37
Cingulum=
the lingual crown projection on anterior teeth
38
groove=
the line between the primary parts of a crown or root
39
Pit=
pinpoint depression at the junction or termination of a groove
40
Lobe=
primary center of development within a tooth
41
Mamelon=
round projections of enamel on newly erupted teeth
42
Furcation=
where the root divides
43
Root apex=
the opening in the root for entrance of the pulp
44
Parts of the pulp:
Pulp chamber, pulp horn, pulp canal
45
pulp chamber=
contains the dental pulp
46
pulp horn=
the highest projection of pulp chamber within the crown
47
pulp canal=
inner portion of the root containing the dental pulp
48
periodontium=
the tissues that surround the teeth
49
periodontium includes
gingiva, cementum, alveolar bone, periodontal ligament
50
gingiva=
pale pink, covers the bone and surrounds the cervical portions of teeth
51
gingiva is divided into
free gingiva, attached gingiva and interdental papilla
52
Alveolar mucosa=
dark red, loose attachment to the underlying bone. Ex: the superior part of gums in the maxillary
53
Mucogingival junction=
junction of the alveolar mucosa and gingiva
54
Free gingiva=
closer to the tooth crown and NOT attached to bone
55
Free gingival groove=
separates attached gingiva to free gingiva
56
Interdental papilla=
triangular shaped gingiva that is in the embrasure
57
Gingival sulcus=
not seen visually but can be evaluated with a periodontal probe. The space between the tooth surface and narrow collar of free gingiva
58
PDL=
periodontal ligament. It surrounds the tooth root and attaches tooth to alveolar bone aka periodontal fibers
59
Alveolar bone=
aka alveolar process, forms and supports the tooth socket
60
term for towards the root=
apically
61
term for towards the CEJ=
cervically
62
term for towards incisal edge=
incisally
63
Central Incisors #
Maxillary: 8, 9 Mandibular: 24, 25
64
Lateral Incisors #
Max: 7, 10 Mand: 23, 26
65
Canines #
Max: 6, 11 Mand: 22, 27
66
Premolar #s
Max: 4, 5, 12, and 13 Mand: 20, 21, 28, 29
67
Molar #s
Max: 1, 2, 3, 14, 15, 16 Mand: 17, 18, 19, 30, 31, 32
68
Primary tooth numbering system
it uses letters, a-t
69
Vermilion Zone=
the red zone of the lips
70
Vermilion border=
junction of where lips meet skin
71
Nasolabial groove=
demarcates lip and cheek
72
Philtrum of lip=
the slight concavity of the upper lip
73
Commissure
the corner of the mouth
74
Labiomental groove
separated the lower lip from the chin
75
labial/buccal frena=
attachments of the lips and cheeks to the alveolus
76
oral vestibule=
the slit like space between the teeth and the cheeks
77
Parts of the hard palate
incisive papilla, rugae, midline palatine raphe. The anterior 2/3 of the palate
78
Incisive papilla=
the distinct tissue posterior to maxillary central incisors
79
Rugae=
fold of tissue that gives texture to anterior portion of hard palate
80
Midline Palatine raphe=
slight tissue elevation over the midline palatine suture
81
Soft palate=
=posterior 1/3 not supported by bone
82
Uvula=
free edge of soft tissue
83
oropharynx=
part of the throat in the back of the mouth. Tonsils are found here
84
Sublingual folds=
raised folds where submandibular salivary ducts open
85
Lingual frenum=
connects the tongue to the floor of the mouth
86
Cheek and retromolar region
=buccal mucosa and retromolar pad
87
Line angle=
junction of 2 tooth surfaces
88
Point angle=
junction of 3 tooth surfaces
89
proximal surface
surface of a tooth that adjoins the surface of another tooth in the same arch (distal and mesial surfaces of adjacent teeth)
90
embrasures=
spaces/spillways that widen out from contact
91
embrasures on the anterior teeth
4 embrasure spaces: Incisal < Gingival | Facial = Lingual
92
embrasures on the posterior teeth
4 embrasure spaces: occlusal = gingival, facial < lingual
93
what is the central developmental groove
a demarcation between the buccal and lingual lobes
94
triangular ridge=
prominent, elevation, triangular in cross=section, which extend from tips of a cusp towards the central portion of the occlusal surface of a tooth

Morphology (5 decks)

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