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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
permanent tooth does not begin their eruptive movements until the ------ is formed
crown
25
permanent central incisors erupts at?
6-7 years
26
before the eruption of permanent central incisor, deciduous central incisor must exfoliated brought by the phenomenon called?
resorption of deciduous roots
27
permanent tooth in ------ attempts to force its way out into the position held by predecessor (deciduous)
follicle
28
pressure against deciduous roots causes?
resorption of roots
29
follicles of developing incisors and canines are in what position?
lingual to deciduous roots
30
developing premolars are within the?
bifurcation of deciduous molar roots
31
permanent incisors, canines, and premolars are called?
succedaneous teeth
32
failure of deciduous roots to resorb may prolonged retention of?
deciduous tooth
33
CALCIFICATION SCHEDULE: birth to one year?
1. First Molar 2. Central incisor 3. Canine 4. Lateral Incisor
34
CALCIFICATION SCHEDULE: two-four years?
1. Premolars 2. Second molars
35
CALCIFICATION SCHEDULE: 9 years?
Third molars
36
Sequence of eruption of permanent teeth
61245378 --------------- 61234578
37
DEVELOPMENT OF TEETH: how many centers of formation (lobes) each tooth has?
four or more
38
DEVELOPMENT OF TEETH: formation of each lobe proceeds until there is -------- of all lobes forming the crown of tooth
coalescence (union/fusion)
39
DEVELOPMENT OF TEETH: after the crown is formed, the ----- portion formation begun
root
40
DEVELOPMENT OF TEETH: at cervix of crown, -------- starts to form as a root covering of dentin
cementum
41
DEVELOPMENT OF TEETH: development of crown and root takes place within a?
bony crypt in jaw bones
42
DEVELOPMENT OF TEETH: after crown and part of root is formed, ------ begins (6th stage of Nolla's - crown completed)
eruption
43
formation of root is an ------- in pushing the crown towards its position in mouth
active factor
44
DEVELOPMENT OF TEETH: eruption is completed when crown has contacted its ------- in opposing jaw
antagonist/s
45
DEVELOPMENT OF TEETH: is like the outline of crown and root
Pulp outline
46
DEVELOPMENT OF TEETH: continue to function with its blood and nerve supply after the tooth is formed
Pulp tissue
47
DEVELOPMENT OF TEETH: formation of tooth is completed when the --- of root is formed
apex
48
DEVELOPMENT OF TEETH: large in deciduous and young in permanent teeth
Pulp
49
DEVELOPMENT OF TEETH: becomes smaller and more constricted with age
Pulp cavity
50
DEVELOPMENT OF TEETH: more sensitive to thermal change and dental procedure?
teeth of children & young people
51
illustrates ten stages of tooth development; observed radiographically for maxillary teeth; calcification of maxillary teeth
Nolla's Growth (stages of tooth development, 1960)
52
ten stages of tooth development observed radiographically for mandibular teeth; calcification of mandibular teeth
Nolla's growth stages
53
3 stages of radiographic studies of tooth formation
calcification crown completion root completion
54
expanded the number of stages to 11
Nolla
55
expanded the number of stages to 13
Gleiser and Hunt
56
14 stages of permanent tooth formation
Moorrees et al
57
studied the development of mandibular canines and provide normative data
Moorrees et al
58
Nolla's Stage (Growth Stage): Absence of Crypt
Stage 0
59
Nolla's Stage (Growth Stage): presence of crypt
stage 1
60
Nolla's Stage (Growth Stage): initial calcification
stage 2
61
Nolla's Stage (Growth Stage): one-third of crown completed
stage 3
62
Nolla's Stage (Growth Stage): two-third of crown completed
stage 4
63
Nolla's Stage (Growth Stage): crown almost completed
stage 5
64
Nolla's Stage (Growth Stage): crown completed
stage 6
65
Nolla's Stage (Growth Stage): one-third of root completed
stage 7
66
Nolla's Stage (Growth Stage): two-third of root completed
stage 8
67
Nolla's Stage (Growth Stage): root almost completed - open apex
stage 9
68
Nolla's Stage (Growth Stage): apical end of root completed
stage 10
69
referred as man's dentition
omnivorous
70
when mandibular teeth come in contact in maxillary teeth used to designated the anatomic alignment of teeth
Occlusion
71
describe deviation in relations of teeth /or jaws
Malocclusion
72
contact of each tooth w/ its neighbors in the jaw protects the gingiva and interproximal spaces
Gingival/ Interproximal Papilla
73
follows curvature but not same level as cervical line
Gingival Line
74
more stable anatomic demarcation
Cervical Line
75
represented by single cone; no occlusion of teeth teeth are used mainly for prehension or combat functions as procurement of teeth Ex. Alligator
Reptilian Stage (Haplodont)
76
exhibits 3 cusps in posterior teeth largest, anthropologically the original cusp, is centered ex. some breed of dog & other carnivores
Early Mammalian Stage (Triconodont)
77
exhibits teeth of triangle-shaped; created projections that is triangular form ex. jaws of dogs, premolars are tritubercular
Triangular Stage (Tritubercular molar)
78
exhibits teeth in four projection ex. dentition of ape and orangutan
Quadritubercular Stage (lower molar)

Oral Anatomy (2 decks)

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