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Oral Anatomy > Module 2 > Flashcards

Module 2 Flashcards

1
Q

events of stages in the formation of teeth

A

Development

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2
Q

organic framework of tooth
becomes hard from calcium & phosphorus salts bought by small blood vessels

A

Calcification

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2
Q

act of tooth moving occlusally; become visible to mouth
emerges through the gum tissue (emergence)

A

Eruption

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3
Q

when primary teeth ready to fall out

A

Exfoliation (shedding)

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4
Q

DECIDUOUS DENTITION:
crown are said to developed from?

A

lobes

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5
Q

DECIDUOUS TEETH:
calcification begins at?

A

4th month of fetal life

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6
Q

DECIDUOUS DENTITION:
all deciduous teeth begun to develop at?

A

end of 6th month (prenatal)

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7
Q

no to individuals are exactly alike in —-?

A

development

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8
Q

GENERAL RULE IN TOOTH ERUPTION:
individual mandibular teeth precede the maxillary teeth in?

A

eruption

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9
Q

GENERAL RULE IN TOOTH ERUPTION:
teeth in both jaw erupts in —-, one right and one left

A

pair

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10
Q

DEVELOPMENTAL AND CALCIFICATION:
all deciduous teeth begun to develop at?

A

5 months

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11
Q

all deciduous teeth are all expected to have erupted at?

A

2 or 2 ½ years

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12
Q

there are resorptions of roots of deciduous incisors at?

A

5 years (old)

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13
Q

last primary tooth to emerge around 29 months of age

A

Maxillary 2nd Molar

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14
Q

root formation is complete for all primary teeth by?
Eruption is complete

A

3 1/4 years (39 months) age

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15
Q

Sequence of eruption of primary teeth

A
  1. Central Incisor
  2. Lateral Incisor
  3. 1st Molar
  4. Canine
  5. 2nd Molar
    1. AB 4. D 6. C 8. E
      1.A 3. B 5.D 7.CE
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16
Q

at 5 years old, there is ——- by some separation of deciduous teeth (spacing of deciduous teeth)

A

jaw growth

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17
Q

premature lost from dental neglect can cause?

A

loss of arch length (tendency for crowding of permanent teeth)

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18
Q

at age 6, the emergence & eruption of —— begins

A

permanent mandibular 1st molar

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19
Q

at age 11-12, mixed dentition period ends the loss of?

A

last primary tooth (maxillary canine)

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20
Q

first permanent teeth to erupt are?

A

1st molars

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21
Q

first permanent molars are much larger and can’t enter until?

A

jaw growth had progressed sufficiently space for the eruption

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22
Q

referred as 6-year molar

A

Permanent 1st molars

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23
Q

permanent 1st molars are guided by and emerge distal to the?

A

Primary 2nd molars

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24
Q

permanent tooth does not begin their eruptive movements until the —— is formed

A

crown

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25
Q

permanent central incisors erupts at?

A

6-7 years

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26
Q

before the eruption of permanent central incisor, deciduous central incisor must exfoliated brought by the phenomenon called?

A

resorption of deciduous roots

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27
Q

permanent tooth in —— attempts to force its way out into the position held by predecessor (deciduous)

A

follicle

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28
Q

pressure against deciduous roots causes?

A

resorption of roots

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29
Q

follicles of developing incisors and canines are in what position?

A

lingual to deciduous roots

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30
Q

developing premolars are within the?

A

bifurcation of deciduous molar roots

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31
Q

permanent incisors, canines, and premolars are called?

A

succedaneous teeth

32
Q

failure of deciduous roots to resorb may prolonged retention of?

A

deciduous tooth

33
Q

CALCIFICATION SCHEDULE:
birth to one year?

A
  1. First Molar
  2. Central incisor
  3. Canine
  4. Lateral Incisor
34
Q

CALCIFICATION SCHEDULE:
two-four years?

A
  1. Premolars
  2. Second molars
35
Q

CALCIFICATION SCHEDULE:
9 years?

A

Third molars

36
Q

Sequence of eruption of permanent teeth

A

61234578

37
Q

DEVELOPMENT OF TEETH:
how many centers of formation (lobes) each tooth has?

A

four or more

38
Q

DEVELOPMENT OF TEETH:
formation of each lobe proceeds until there is ——– of all lobes forming the crown of tooth

A

coalescence (union/fusion)

39
Q

DEVELOPMENT OF TEETH:
after the crown is formed, the —– portion formation begun

A

root

40
Q

DEVELOPMENT OF TEETH:
at cervix of crown, ——– starts to form as a root covering of dentin

A

cementum

41
Q

DEVELOPMENT OF TEETH:
development of crown and root takes place within a?

A

bony crypt in jaw bones

42
Q

DEVELOPMENT OF TEETH:
after crown and part of root is formed, —— begins (6th stage of Nolla’s - crown completed)

A

eruption

43
Q

formation of root is an ——- in pushing the crown towards its position in mouth

A

active factor

44
Q

DEVELOPMENT OF TEETH:
eruption is completed when crown has contacted its ——- in opposing jaw

A

antagonist/s

45
Q

DEVELOPMENT OF TEETH:
is like the outline of crown and root

A

Pulp outline

46
Q

DEVELOPMENT OF TEETH:
continue to function with its blood and nerve supply after the tooth is formed

A

Pulp tissue

47
Q

DEVELOPMENT OF TEETH:
formation of tooth is completed when the — of root is formed

A

apex

48
Q

DEVELOPMENT OF TEETH:
large in deciduous and young in permanent teeth

A

Pulp

49
Q

DEVELOPMENT OF TEETH:
becomes smaller and more constricted with age

A

Pulp cavity

50
Q

DEVELOPMENT OF TEETH:
more sensitive to thermal change and dental procedure?

A

teeth of children & young people

51
Q

illustrates ten stages of tooth development; observed radiographically for maxillary teeth; calcification of maxillary teeth

A

Nolla’s Growth (stages of tooth development, 1960)

52
Q

ten stages of tooth development observed radiographically for mandibular teeth; calcification of mandibular teeth

A

Nolla’s growth stages

53
Q

3 stages of radiographic studies of tooth formation

A

calcification
crown completion
root completion

54
Q

expanded the number of stages to 11

A

Nolla

55
Q

expanded the number of stages to 13

A

Gleiser and Hunt

56
Q

14 stages of permanent tooth formation

A

Moorrees et al

57
Q

studied the development of mandibular canines and provide normative data

A

Moorrees et al

58
Q

Nolla’s Stage (Growth Stage):
Absence of Crypt

A

Stage 0

59
Q

Nolla’s Stage (Growth Stage):
presence of crypt

A

stage 1

60
Q

Nolla’s Stage (Growth Stage):
initial calcification

A

stage 2

61
Q

Nolla’s Stage (Growth Stage):
one-third of crown completed

A

stage 3

62
Q

Nolla’s Stage (Growth Stage):
two-third of crown completed

A

stage 4

63
Q

Nolla’s Stage (Growth Stage):
crown almost completed

A

stage 5

64
Q

Nolla’s Stage (Growth Stage):
crown completed

A

stage 6

65
Q

Nolla’s Stage (Growth Stage):
one-third of root completed

A

stage 7

66
Q

Nolla’s Stage (Growth Stage):
two-third of root completed

A

stage 8

67
Q

Nolla’s Stage (Growth Stage):
root almost completed - open apex

A

stage 9

68
Q

Nolla’s Stage (Growth Stage):
apical end of root completed

A

stage 10

69
Q

referred as man’s dentition

A

omnivorous

70
Q

when mandibular teeth come in contact in maxillary teeth
used to designated the anatomic alignment of teeth

A

Occlusion

71
Q

describe deviation in relations of teeth /or jaws

A

Malocclusion

72
Q

contact of each tooth w/ its neighbors in the jaw
protects the gingiva and interproximal spaces

A

Gingival/ Interproximal Papilla

73
Q

follows curvature but not same level as cervical line

A

Gingival Line

74
Q

more stable anatomic demarcation

A

Cervical Line

75
Q

represented by single cone; no occlusion of teeth
teeth are used mainly for prehension or combat
functions as procurement of teeth

Ex. Alligator

A

Reptilian Stage (Haplodont)

76
Q

exhibits 3 cusps in posterior teeth
largest, anthropologically the original cusp, is centered

ex. some breed of dog & other carnivores

A

Early Mammalian Stage (Triconodont)

77
Q

exhibits teeth of triangle-shaped; created projections that is triangular form

ex. jaws of dogs, premolars are tritubercular

A

Triangular Stage (Tritubercular molar)

78
Q

exhibits teeth in four projection

ex. dentition of ape and orangutan

A

Quadritubercular Stage (lower molar)

Oral Anatomy (2 decks)

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