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anth336 > dentition > Flashcards

dentition Flashcards

1
Q

crown

A

functional part, used for biting/chewing
covered by enamel

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2
Q

root

A

embedded in alveolus
supports crown
covered by cementum

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3
Q

neck/cervix

A

cementoenamel junction
between crown and root

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4
Q

enamel

A

covers crown
hardest substance in body
most hydroxyapatite
not living, cannot remodel

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5
Q

ameloblasts

A

enamel forming cells at tips of crowns

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6
Q

cementum

A

covers root
more like bone

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7
Q

cementoblasts

A

forms cementum

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8
Q

periodontal ligament

A

adheres to root, lines pulp cavity
holds tooth in alveolus

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9
Q

apical foramen

A

tip of root, entry of nerves and blood vessels

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10
Q

dentin

A

internal structure of crown and root
similar to compact bone
nourished by vascular system of pulp (inner tooth)
visible on tooth surface when enamel wears down

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11
Q

odontoblasts

A

forms dentin

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12
Q

pulp

A

soft tissue, heart of tooth
lined by thin periodontal membrane
home of nerves and blood vessels that enter through apical foramen

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13
Q

how many teeth do adults have

A

32

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14
Q

human dental formula

A

2:1:2:3

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15
Q

how many incisors in each quadrant

A

2

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16
Q

how many canines in each quadrant

A

1

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17
Q

how many premolars in each quadrant

A

2

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18
Q

how many molars in each quadrant

A

3

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19
Q

2 sets of human teeth

A

deciduous (baby teeth)
permanent

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20
Q

how many teeth are in deciduous set

A

20

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21
Q

deciduous dental formula

A

2:1:0:2

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22
Q

deciduous and permanent at the same time

A

mixed dentition

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23
Q

anthropological significance of teeth

A

age estimation in non adult individuals from dental development
adult age estimates from dental wear

24
Q

occlusal

A

chewing surface

25
Q

incisal

A

chewing surface for incisors and canines

26
Q

apical

A

root tip

27
Q

lingual

A

tongue side

28
Q

buccal

A

cheek side

29
Q

labial

A

lip side for incisors and canines

30
Q

mesial

A

contact surface between teeth closest to midsagittal place

31
Q

distal

A

contact surface between teeth farthest from midsagittal place

32
Q

tooth nomenclature

A

I = Incisors
C = Canine
P = Premolar
M = Molar

33
Q

superscripts

A

maxillary

34
Q

subscripts

A

mandibular

35
Q

permanent dentition nomenclature

A

capitalized letters

36
Q

deciduous dentition nomenclature

A

lowercase letters

37
Q

which teeth did we lose in evolutionary history

A

first and second premolars

38
Q

square molars are located where

A

maxillary

39
Q

rectangular molars are located where

A

mandibular

40
Q

of cusps in molars

A

4 = maxillary
4/5 = mandibular

41
Q

of roots in molars and where

A

3 (2 buccal, 1 lingual) = maxillary
2 (1 mesial, 1 distal) = mandibular (looks fused)

42
Q

maxillary molar cusps

A

protocone
hypocone
paracone
metacone

43
Q

protocone

A

mesial lingual
largest

44
Q

buccal cusps

A

protoconid
hypoconid

45
Q

lingual cusps

A

metaconid
entoconid

46
Q

5th cusp sometimes

A

hypoconulid

47
Q

is anterior fovea mesial or distal

A

mesial

48
Q

is hypoconulid mesial or distal

A

distal

49
Q

what separates protoconid and hypoconid

A

deep buccal groove

50
Q

what does greater wear on molars mean for siding

A

greater wear is most likely the buccal side

51
Q

deciduous molars name

A

dm2 and dm1

52
Q

deciduous molars

A

roots tend to be more splayed out
enamel thin

53
Q

premolars (bicuspids)

A

2 cusps, one buccal and one lingual
flattened roots, appear to fuse from 2 separate roots

54
Q

central furrow separates…

A

larger buccal cusp (paracone) and smaller lingual cusp (protocone)

55
Q

maxillary molars

A

square
4 cusps, 3 roots (2 buccal, 1 lingual)

56
Q
A

anth336 (9 decks)

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