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Dental Morph (all material) > Lecture 2- Tooth Development & Terminology > Flashcards

Lecture 2- Tooth Development & Terminology Flashcards

1
Q

ordering of numbering of permanent dentition

A

1-32
start in maxillary right quadrant –> maxillary left quadrant –> mandibular left quadrant –> mandibular right quadrant

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2
Q

teeth 8 & 9 are…

A

maxillary central incisors

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3
Q

teeth 24 & 25 are…

A

mandibular central incisors

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4
Q

teeth 7 & 10 are…

A

maxillary lateral incisors

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5
Q

teeth 23 & 26 are…

A

mandibular lateral incisors

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6
Q

teeth 6 & 11 are…

A

maxillary canines

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7
Q

teeth 22 & 27 are…

A

mandibular canines

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8
Q

teeth 4, 5, 12, & 13 are…

A

maxillary premolars

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9
Q

teeth 20, 21, 28, & 29 are…

A

mandibular premolars

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10
Q

teeth 1, 2, 3, 14, 15, & 16 are…

A

maxillary molars

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11
Q

teeth 17, 18, 19, 30, 31, & 32 are…

A

mandibular molars

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12
Q

ordering of numbering of primary dentition

A

a-t
start in maxillary right quadrant –> maxillary left quadrant –> mandibular left quadrant –> mandibular right quadrant

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13
Q

vermillion border

A

sharp junction of the red zone and skin

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14
Q

nasolabial groove

A

demarcates lip and cheek

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15
Q

philtrum of lip

A

middle of upper lip

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16
Q

labiomental groove

A

demarcates lip from chin

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17
Q

oral vestibule

A

slit like space b/w teeth and lips/cheeks

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18
Q

labial/buccal frena

A

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

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19
Q

hard palate

A

anterior 2/3 of palate
*supported by bone

contains:
incisive papilla
rugae
midline palatine raphe

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20
Q

soft palate

A

posterior 1/3 of palate

contains:
uvula

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21
Q

oropharynx contains

A

tonsils
anterior & posterior pillars of the fauces

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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

attaches tongue to the floor of the mouth

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24
Q

when is the first sign of tooth development?

A

6-7 weeks i.u.

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25
Q

when do deciduous teeth begin to calcify?

A

13-20 weeks i.u.

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26
Q

when have ALL deciduous teeth begun to calcify?

A

18-20 weeks i.u.

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27
Q

when do deciduous teeth erupt?

A

6-30 months

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28
Q

eruption

A

emergence into the oral cavity

29
Q

exfoliation

A

loss of the deciduous tooth

30
Q

when does exfoliation occur?

A

shortly before its permanent successor erupts

31
Q

what teeth are not included in the primary dentition?

A

premolars

32
Q

when do deciduous mandibular central incisors erupt?

A

6-8 months

33
Q

when do deciduous maxillary central incisors erupt?

A

10 months

34
Q

when do deciduous maxillary lateral incisors erupt?

A

11 months

35
Q

when do deciduous mandibular lateral incisors erupt?

A

13 months

36
Q

when do deciduous maxillary first molars erupt?

A

16 months (first)

37
Q

when do deciduous mandibular first molars erupt?

A

16 months (later)

38
Q

when do deciduous maxillary canines erupt?

A

19 months

39
Q

when do deciduous mandibular canines erupt?

A

20 months

40
Q

when do deciduous mandibular second molars erupt?

A

27 months

41
Q

when do deciduous maxillary second molars erupt?

A

29 months

42
Q

deciduous eruption pattern

A

incisors –> first molars –> canines –> second molars

43
Q

deciduous dentition

A

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

44
Q

mixed dentition

A

mixture of deciduous and permanent teeth present

45
Q

permanent dentition

A

only permanent teeth present

46
Q

succedaneous teeth

A

permanent teeth that replace deciduous teeth

47
Q

non-succedaneous teeth

A

permanent teeth that do not replace deciduous teeth

48
Q

which teeth are non-succedaneous?

A

maxillary and mandibular first molars

49
Q

when do permanent mandibular first molars erupt?

A

6 years (first)

50
Q

when do permanent maxillary first molars erupt?

A

6 years (later)

51
Q

when do permanent mandibular central incisors erupt?

A

6-7 years

52
Q

when do permanent mandibular lateral incisors erupt?

A

7-8 years

53
Q

when do permanent maxillary central incisors erupt?

A

7-8 years

54
Q

when do permanent maxillary lateral incisors erupt?

A

8-9 years

55
Q

when do permanent mandibular canines erupt?

A

9-10 years

56
Q

when do permanent maxillary first premolars erupt?

A

10-11 years

57
Q

when do permanent mandibular first premolars erupt?

A

10-11 years

58
Q

when do permanent maxillary second premolars erupt?

A

10-11 years

59
Q

when do permanent mandibular second premolars erupt?

A

10-12 years

60
Q

when do permanent maxillary canines erupt?

A

11-12 years

61
Q

when do permanent mandibular second molars erupt?

A

11-13 years

62
Q

when do permanent maxillary second molars erupt?

A

12-13 years

63
Q

when do permanent mandibular third molars erupt?

A

17+ years

64
Q

when do permanent maxillary third molars erupt?

A

17+ years

65
Q

when is root development completed?

A

2-3 years after eruption of teeth

66
Q

formula to determine approximate crown calcification completion time:

A

1/2 time of eruption and add 1 year

67
Q

what is the first part of the tooth to calcify?

A

the crown

68
Q

should i add when you see first evidence of calcification?

A

Dental Morph (all material) (10 decks)

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