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Dental Morph > dental morph exam 1 > Flashcards

dental morph exam 1 Flashcards

1
Q

dental arch

A

teeth, gingiva and associated bone

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2
Q

maxillary arch

A

the upper arch including the associated teeth

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3
Q

mandibular arch

A

the lower arch and associated teeth

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4
Q

which arch moves?

A

mandible

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5
Q

how many permanent teeth?

A

32

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6
Q

notation system for permanent teeth

A

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

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7
Q

what divides each arch in half?

A

midline

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8
Q

what is each half arch called?

A

quadrant

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9
Q

name the anterior teeth and how many there are

A

incisors (8) and canines (4)

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10
Q

name the posterior teeth and how many there are

A

premolars (8) and molars (12)

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11
Q

how many deciduous teeth are there?

A

20 (10 per arch)…. 4 incisors, 2 canines, 4 molars

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12
Q

notation for deciduous teeth

A

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

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13
Q

what is the crown covered in?

A

enamel

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14
Q

what is the root(s) covered in?

A

cementum

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15
Q

enamel

A

dense hydroxyapatite surface of crown

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16
Q

dentin

A

inner hard layer of the crown and root

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17
Q

pulp

A

vascular innervated portion of the tooth

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18
Q

cementum

A

outer layer of the root surface

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19
Q

dento-enamel junction (DEJ)

A

junction of the enamel and dentin layers

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20
Q

cemento-enamel junction (CEJ)

A

junction of enamel and cementum layers

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21
Q

cervical line

A

junction of the anatomical crown and root

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22
Q

clinical crown

A

portion of the tooth that is visible in the mouth

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23
Q

anatomical crown

A

the crown above the CEJ

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24
Q

which is shorter in patients with inflamed gums (clinical or anatomical)?

A

clinical crown

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25
Q

which is longer in patients with recession (clinical or anatomical)?

A

clinical

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26
Q

facial surface

A

outer most surface toward cheek or lips

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27
Q

lingual surface

A

inner most surface toward the tongue or palate

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28
Q

mesial surface

A

toward the midline

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29
Q

distal surface

A

away from the median line

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30
Q

incisal edge

A

biting or incising edge of anterior teeth

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31
Q

occlusal surface

A

biting or chewing surface of posterior teeth

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32
Q

cusp

A

projection on a crown

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33
Q

fossa

A

depression or concavity between cusps or ridges

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34
Q

ridge

A

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

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35
Q

cingulum

A

lingual crown projection on anterior teeth

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36
Q

groove

A

line between the primary parts of a crown or root

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37
Q

pit

A

pinpoint depression at the junction or termination of a groove

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38
Q

lobe

A

primary center of development within a tooth

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39
Q

mamelon

A

round projections of enamel on newly erupted teeth
incisal remnant of incisor development

40
Q

furcation

A

where root divides

41
Q

root apex

A

the opening in the root for entrance of the pulp

42
Q

pulp chamber

A

chamber containing dental pulp

43
Q

pulp horn

A

highest projection of pulp chamber within the crown

44
Q

pulp canal

A

inner portion of the root containing the dental pulp

45
Q

periodontium

A

the tissues that surround the teeth
(includes gingiva, cementum, alveolar bone, periodontal ligament)

46
Q

gums or gingiva

A

covers the bone and surrounds the cervical portions of teeth
divided into free gingiva, attached gingiva, and interdental papilla

47
Q

gingiva

A

pale pink - includes free gingiva, attached gingiva, and interdental papilla

48
Q

alveolar muscosa

A

dark red, loose attachment to the underlying bone

49
Q

mucogingival junction

A

junction of the alveolar mucosa and gingiva

50
Q

free gingiva

A

closer to the tooth crown, not attached to bone

51
Q

free gingival groove

A

separates attached gingiva and free gingiva

52
Q

interdental papilla

A

triangular shaped gingiva that occupies the gingival embrasure

53
Q

gingival sulcus

A

space between tooth surface and narrow cervical collar of free gingiva
not seen visually but can be eval’ed with a perio probe

54
Q

periodontal ligament (PDL)

A

surrounds tooth root and attaches tooth to alveolar bone (periodontal fibers)

55
Q

alveolar bone

A

alveolar process, forms and supports tooth sockets

56
Q

central incisors

A

8 and 9 (maxillary)
24 and 25 (mandibular)

57
Q

lateral incisors

A

7 and 10 (maxillary)
23 and 26 (mandibular)

58
Q

canines

A

6 and 11 (maxillary)
22 and 27 (mandibular)

59
Q

premolars

A

4, 5, 12 and 13 (maxillary)
20, 21, 28 and 29 (mandibular)

60
Q

molars

A

1, 2, 3, 14, 15 and 16 (maxillary)
17, 18, 19, 30, 31, and 32 (mandibular)

61
Q

primary upper dentition

A

a through j

62
Q

lower primary dentition

A

k through t

63
Q

lips

A

covered externally by skin and internally by mucous membrane

64
Q

vermilion zone

A

red zone of lip

65
Q

vermlion border

A

where the red zone meets the skin

66
Q

labial commissures / angle of mouth

A

corners of lips

67
Q

philtrum

A

middle portion of the upper lip

68
Q

nasiolabial groove

A

separates the lip from cheek

69
Q

labiomental groove

A

separates lower lip from chin

70
Q

oral vestibule

A

slit like space between lips, cheek and teeth

71
Q

buccal / labial sulcus

A

depth of area where the cheeks join the alveolar mucosa

72
Q

frena

A

thickened areas of tissue that attach the cheek to alveolar mucosa

73
Q

labial frena

A

located in midline of maxilla

74
Q

palate

A

made up of the anterior hard palate (2/3) and posterior soft palate (1/3)

75
Q

incisive papilla / nasopalatine papilla

A

distinct soft tissue prominence immediately behind the maxillary central incisors

76
Q

palatine rugae

A

irregular folds of tissue which radiate transversely across the anterior palate from the midline… contain non-displaceable fatty tissue

77
Q

uluva

A

free edge of the soft palate that drops down in middle of the mouth

78
Q

mylohyoid muscle

A

muscle that forms floor of mouth

79
Q

lingual frenum

A

connects tongue to floor of mouth

80
Q

sublingual folds

A

raised areas on floor of mouth onto which the submandibular glands open

81
Q

when is the first sign of tooth development?

A

6-7 weeks i.u.

82
Q

when do deciduous teeth begin to calcify?

A

13-20 weeks i.u.

83
Q

by when do ALL deciduous teeth being to calcify?

A

18-20 weeks i.u.

84
Q

when do deciduous teeth erupt?

A

6-30 months

85
Q

eruption

A

emergence into oral cavity

86
Q

exfoliation

A

loss of deciduous tooth

87
Q

deciduous eruption pattern

A

incisors, first molars, canines, second molars

88
Q

deciduous dentition

A

only deciduous teeth present (up to 6 years of age)

89
Q

mixed dentition

A

mixture of deciduous and permanent teeth present

90
Q

permanent dentition

A

only permanent teeth present

91
Q

succedaneous tooth

A

permanent tooth that replaces a deciduous tooth

92
Q

non-succedaneous teeth

A

permanent teeth that do not replace deciduous teeth (molars)

93
Q

when does root development complete in permanent dentition?

A

2-3 years after eruption of teeth

94
Q

when is calcification of crown of teeth completed?

A

1/2 time of eruption and add one year

95
Q

what is the first part of the crown to calcify?

A

crown

Dental Morph (8 decks)

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