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Morphology > Terms > Flashcards

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
Q

Clinical crown=

A

the portion of the tooth that is visible in the mouth

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26
Q

Anatomical crown=

A

the crown above the CEJ

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27
Q

What are all the surfaces?

A

facial, lingual, mesial and distal

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28
Q

Facial surface=

A

aka buccal/labial, the outer most one

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29
Q

Lingual surface=

A

the inner most surface on the side of the tongue

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30
Q

Mesial surface=

A

towards the median line

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31
Q

Distal surface=

A

away from the median line

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32
Q

Incisal surface

A

the biting edge on anterior teeth

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33
Q

Occlusal surface

A

the biting edge of posterior teeth

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34
Q

Cusp=

A

projection on a crown

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35
Q

Fossa=

A

depression or concavity between cusps or ridges

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36
Q

Ridge=

A

the linear elevation on the surface of a tooth, named according to its location

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37
Q

Cingulum=

A

the lingual crown projection on anterior teeth

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38
Q

groove=

A

the line between the primary parts of a crown or root

39
Q

Pit=

A

pinpoint depression at the junction or termination of a groove

40
Q

Lobe=

A

primary center of development within a tooth

41
Q

Mamelon=

A

round projections of enamel on newly erupted teeth

42
Q

Furcation=

A

where the root divides

43
Q

Root apex=

A

the opening in the root for entrance of the pulp

44
Q

Parts of the pulp:

A

Pulp chamber, pulp horn, pulp canal

45
Q

pulp chamber=

A

contains the dental pulp

46
Q

pulp horn=

A

the highest projection of pulp chamber within the crown

47
Q

pulp canal=

A

inner portion of the root containing the dental pulp

48
Q

periodontium=

A

the tissues that surround the teeth

49
Q

periodontium includes

A

gingiva, cementum, alveolar bone, periodontal ligament

50
Q

gingiva=

A

pale pink, covers the bone and surrounds the cervical portions of teeth

51
Q

gingiva is divided into

A

free gingiva, attached gingiva and interdental papilla

52
Q

Alveolar mucosa=

A

dark red, loose attachment to the underlying bone. Ex: the superior part of gums in the maxillary

53
Q

Mucogingival junction=

A

junction of the alveolar mucosa and gingiva

54
Q

Free gingiva=

A

closer to the tooth crown and NOT attached to bone

55
Q

Free gingival groove=

A

separates attached gingiva to free gingiva

56
Q

Interdental papilla=

A

triangular shaped gingiva that is in the embrasure

57
Q

Gingival sulcus=

A

not seen visually but can be evaluated with a periodontal probe. The space between the tooth surface and narrow collar of free gingiva

58
Q

PDL=

A

periodontal ligament. It surrounds the tooth root and attaches tooth to alveolar bone aka periodontal fibers

59
Q

Alveolar bone=

A

aka alveolar process, forms and supports the tooth socket

60
Q

term for towards the root=

A

apically

61
Q

term for towards the CEJ=

A

cervically

62
Q

term for towards incisal edge=

A

incisally

63
Q

Central Incisors #

A

Maxillary: 8, 9
Mandibular: 24, 25

64
Q

Lateral Incisors #

A

Max: 7, 10
Mand: 23, 26

65
Q

Canines #

A

Max: 6, 11
Mand: 22, 27

66
Q

Premolar #s

A

Max: 4, 5, 12, and 13
Mand: 20, 21, 28, 29

67
Q

Molar #s

A

Max: 1, 2, 3, 14, 15, 16
Mand: 17, 18, 19, 30, 31, 32

68
Q

Primary tooth numbering system

A

it uses letters, a-t

69
Q

Vermilion Zone=

A

the red zone of the lips

70
Q

Vermilion border=

A

junction of where lips meet skin

71
Q

Nasolabial groove=

A

demarcates lip and cheek

72
Q

Philtrum of lip=

A

the slight concavity of the upper lip

73
Q

Commissure

A

the corner of the mouth

74
Q

Labiomental groove

A

separated the lower lip from the chin

75
Q

labial/buccal frena=

A

attachments of the lips and cheeks to the alveolus

76
Q

oral vestibule=

A

the slit like space between the teeth and the cheeks

77
Q

Parts of the hard palate

A

incisive papilla, rugae, midline palatine raphe. The anterior 2/3 of the palate

78
Q

Incisive papilla=

A

the distinct tissue posterior to maxillary central incisors

79
Q

Rugae=

A

fold of tissue that gives texture to anterior portion of hard palate

80
Q

Midline Palatine raphe=

A

slight tissue elevation over the midline palatine suture

81
Q

Soft palate=

A

=posterior 1/3 not supported by bone

82
Q

Uvula=

A

free edge of soft tissue

83
Q

oropharynx=

A

part of the throat in the back of the mouth. Tonsils are found here

84
Q

Sublingual folds=

A

raised folds where submandibular salivary ducts open

85
Q

Lingual frenum=

A

connects the tongue to the floor of the mouth

86
Q

Cheek and retromolar region

A

=buccal mucosa and retromolar pad

87
Q

Line angle=

A

junction of 2 tooth surfaces

88
Q

Point angle=

A

junction of 3 tooth surfaces

89
Q

proximal surface

A

surface of a tooth that adjoins the surface of another tooth in the same arch (distal and mesial surfaces of adjacent teeth)

90
Q

embrasures=

A

spaces/spillways that widen out from contact

91
Q

embrasures on the anterior teeth

A

4 embrasure spaces: Incisal < Gingival

Facial = Lingual

92
Q

embrasures on the posterior teeth

A

4 embrasure spaces: occlusal = gingival, facial < lingual

93
Q

what is the central developmental groove

A

a demarcation between the buccal and lingual lobes

94
Q

triangular ridge=

A

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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