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Dental Morphology > Terminal Chronology > Flashcards

Terminal Chronology Flashcards

1
Q

apical vs cervical vs incisal

A

apical: toward the top, root
cervical: the gum side of the tooth
incisal: the bottom of the tooth

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2
Q

what is the universal numbering system?

A

numbering the teeth 1-32

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3
Q

each tooth is numbered – to – in the permanent dentition

A

1-32

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4
Q

which teeth are your permanent central incisors?

A

8, 9

24, 25

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5
Q

which teeth are your permanent lateral incisors?

A

7, 10

23, 26

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6
Q

which teeth are your permanent canines?

A

6, 11

22, 27

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7
Q

which teeth are your permanent premolars?

A

4, 5, 12, 13

20, 21, 28, 29

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8
Q

which teeth are your permanent molars?

A

1, 2, 3, 14, 15, 16

17, 18, 19, 30, 31, 32

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9
Q

each primary tooth is labeled – to –

A

a to t

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10
Q

vermilion zone

A

lips

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11
Q

vermilion border

A

sharp junction of the red zone and skin

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12
Q

nasolabial groove

A

demarcates lip and cheek

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13
Q

philtrum of lip

A

middle of upper lip

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14
Q

angle/corner of the mouth/commissure

A

the corner of the mouth

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15
Q

labiomental groove

A

the indent below the lip

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16
Q

oral vestibule

A

the slit like space between the lips/cheek

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17
Q

labial/buccal frena

A

attachments of the lips and cheeks to the alveolus (bony area surrounding the teeth)

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18
Q

what composes the hard palate? (3)

A

incisive papilla
rugae
midline palatine raphe

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19
Q

what composes the soft palate? (1)

A

uvula

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20
Q

what composes the oropharynx? (3)

A

tonsils
anterior (palatoglossal arch)
posterior (palatopharyngeal arch) pillars of the fauces

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21
Q

what composes the floor of the mouth? (2)

A

sublingual folds

lingual frenum

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22
Q

sublingual folds

A

raised folds where submandibular salivary ducts open

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23
Q

lingual frenum

A

attached the floor to the mouth

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24
Q

why is eruption time and exfoliation time important?

A 
to asses the patients dental age 
-is the child's dental development within normal range?
important for dental procedures 
-endodontic therapy
-decision of whether to extract or retain a primary tooth 
medications
-tetracycline, fluoride 
forensics
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25
Q

the first sign of tooth development is at

A

6-7 weeks i.u.

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26
Q

deciduous teeth begin to calcify at

A

13-20 week i.u.

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27
Q

by —., all deciduous teeth have begun to calcify

A

18-20 weeks i.u

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28
Q

deciduous teeth erupt at

A

6-30 months

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29
Q

eruption

A

emergence into the oral cavity

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30
Q

exfoliation

A

loss of the deciduous tooth

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31
Q

time of deciduous eruption:

mandibular central incisors

A

6-8 mo

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32
Q

time of deciduous eruption:

maxillary central incisors

A

10 mo

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33
Q

time of deciduous eruption:

maxillary lateral incisors `

A

11 mo

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34
Q

time of deciduous eruption:

mandibular lateral incisors

A

13 mo

35
Q

time of deciduous eruption:

maxillary first molar

A

16 mo (first)

36
Q

time of deciduous eruption:

mandibular first molar

A

16 mo (later)

37
Q

time of deciduous eruption:

maxillary canine

A

19 mo

38
Q

time of deciduous eruption:

mandibular canine

A

20 mo

39
Q

time of deciduous eruption:

mandibular second molar

A

27 mo

40
Q

time of deciduous eruption:

maxillary second molar

A

29 mo

41
Q

deciduous eruption pattern

A

incisors, first molars, canines, second molars

42
Q

deciduous dentition

A

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

43
Q

mixed dentition

A

mixture of deciduous and permanent teeth present

44
Q

permanent dentition

A

only permanent teeth present

45
Q

succedaneous teeth

A

permanent teeth that replace deciduous teeth

46
Q

non-succedaneous teeth

A

permanent teeth that do not replace deciduous teeth

47
Q

where does the deciduous tooth root go?

A

it is worn away by the emerging permanent tooth

48
Q

times of eruption of permanent teeth:

mandibular first molars

A

6 years (first)

49
Q

times of eruption of permanent teeth:

maxillary first molars

A

6 years (later)

50
Q

times of eruption of permanent teeth:

mandibular central incisor

A

6-7 years

51
Q

times of eruption of permanent teeth:

mandibular lateral incisor

A

7-8 years

52
Q

times of eruption of permanent teeth:

maxillary central incisor

A

7-8 years

53
Q

times of eruption of permanent teeth:

maxillary lateral incisor

A

8-9 years

54
Q

times of eruption of permanent teeth:

mandibular canine

A

9-10 years

55
Q

times of eruption of permanent teeth:

maxillary first premolar

A

10-11 years

56
Q

times of eruption of permanent teeth:

mandibular first premolar

A

10-11 years

57
Q

times of eruption of permanent teeth:

maxillary second premolar

A

10-11 years

58
Q

times of eruption of permanent teeth:

mandibular second premolar

A

10-12 years

59
Q

times of eruption of permanent teeth:

maxillary canine

A

11-12 years

60
Q

times of eruption of permanent teeth:

mandibular second molar

A

11-13 years

61
Q

times of eruption of permanent teeth:

maxillary second molar

A

12-13 years

62
Q

times of eruption of permanent teeth:

mandibular third molar

A

17+ years

63
Q

times of eruption of permanent teeth:

maxillary third molar

A

17+ years

64
Q

two non-succedaneous teeth

A

mandibular and maxillary first molars

65
Q

root development is completed – to – years after eruption of teeth

A

2-3

66
Q

calcification of crown of teeth are completed

A

1/2 time of eruption and add 1 year

67
Q

first part of the tooth to calcify is the

A

crown

68
Q

first evidence of calcification of permanent teeth:

8, 9

A

3-4 mo

69
Q

first evidence of calcification of permanent teeth:

7, 10

A

10-12 mo

70
Q

first evidence of calcification of permanent teeth:

6, 11

A

4-5 mo

71
Q

first evidence of calcification of permanent teeth:

5, 12

A

1.5-1.75 yr

72
Q

first evidence of calcification of permanent teeth:

4, 13

A

2-2.5 yr

73
Q

first evidence of calcification of permanent teeth:

3, 14

A

at birth

74
Q

first evidence of calcification of permanent teeth:

2, 15

A

2.5-3 yr

75
Q

first evidence of calcification of permanent teeth:

1, 16

A

7-9 yr

76
Q

first evidence of calcification of permanent teeth:

24,15

A

3-4 mo

77
Q

first evidence of calcification of permanent teeth:

23, 26

A

3-4 mo

78
Q

first evidence of calcification of permanent teeth:

22, 27

A

4-5 mo

79
Q

first evidence of calcification of permanent teeth:

21, 28

A

1.5-2 yr

80
Q

first evidence of calcification of permanent teeth:

20, 29

A

2,25-2,5 yr

81
Q

first evidence of calcification of permanent teeth:

19, 30

A

at birth

82
Q

first evidence of calcification of permanent teeth:

18, 31

A

2.5-3 yr

83
Q

first evidence of calcification of permanent teeth:

17, 32

A

8-10 yr

Dental Morphology (5 decks)

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