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Morphology Exam 1 > Terminology and Chronology > Flashcards

Terminology and Chronology Flashcards

1
Q

What is the vermilion zone?

A

lips

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2
Q

What is the vermilion border?

A

sharp junction of the red zone and skin

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3
Q

What is the nasolabial groove?

A

dermarcates lips and cheek

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4
Q

What is the philtrum of lip?

A

middle of upper lip

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5
Q

What is the oral verstibule?

A

slit like space between teeth and lips/cheek

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6
Q

What is the labial/buccal frena?

A

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

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7
Q

What is the hard palate composed of?

A

Incisive papilla, rugae, midline palatine raphe

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8
Q

What is the soft palate composed of?

A

uvula

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9
Q

What is contained in the floor of the mouth?

A

sublingual folds (lingual frenum)

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10
Q

When is the first sign of tooth development?

A

6-7 weeks i.u.

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11
Q

Deciduous teeth begin to calcify at

A

13-20 week i.u.

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12
Q

All deciduous teeth have begun to calcify by

A

18-20 weeks i.u.

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13
Q

Deciduous teeth erupt at

A

6-30 months

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14
Q

Define eruption

A

emergence into the oral cavity

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15
Q

Define exfoliation

A

loss of the deciduous tooth
exfoliation of a tooth occurs shortly before its permanent successor erupts

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16
Q

What are deciduous teeth?

A

labeled a-t
2 central incisors in each arch
2 lateral incisors in each arch
2 canines in each arch
2 first molars in each arch
2 second molars in each arch

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17
Q

When do manibular central incisors (deciduous) erupt?

A

6-8 months

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18
Q

When do maxillary central incisors (deciduous) erupt?

A

10 months

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19
Q

When do maxillary lateral incisors (deciduous) erupt?

A

11 months

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20
Q

When do mandibular lateral incisors (deciduous) erupt?

A

13 months

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21
Q

When do maxillary first molars erupt?

A

16 months (first)

22
Q

When do mandibular first molars erupt?

A

16 months (later)

23
Q

When do maxillary canines erupt?

A

19 months

24
Q

When do mandibular canines erupt?

A

20 months

25
Q

When do mandibular second molars erupt?

A

27 months

26
Q

When do maxillary second molars erupt?

A

29 months

27
Q

What is the deciduous eruption pattern?

A

incisors > first molars > canines > second molars

28
Q

Deciduous dentition lasts until the eruption of the first permanent tooth

A

6 years

29
Q

What is the permanent dentition?

A

32 permanent teeth
2 central incisors per arch
2 lateral incisors per arch
2 canines per arch
2 first premolars per arch
2 second premolars per arch
2 first molars per arch
2 second molars per arch
2 third molars per arch

30
Q

What are succedaneous teeth?

A

permanent teeth that replace deciduous teeth

31
Q

What are non-succedaneous teeth?

A

permanent teeth that do not replace deciduous teeth

32
Q

Mandibular first molar (permanent) erupt?

A

6 years (first)

33
Q

Maxillary first molars (permanent) erupt?

A

6 years (later)

34
Q

What two teeth are non-succedaneous?

A

maxillary and mandibular first molars

35
Q

Mandibular central incisors (permanent) erupt?

A

6-7 years

36
Q

Mandibular lateral incisors (permanent) erupt?

A

7-8 years

37
Q

Maxillary central incisor (permanent) erupt?

A

7-8 years

38
Q

Maxillary lateral incisor (permanent) erupt?

A

8-9 years

39
Q

Mandibular canine (permanent) erupt?

A

9-10 years

40
Q

Maxillary first premolar (permanent) erupt?

A

10-11 years

41
Q

Mandibular first premolar (permanent) erupt?

A

10-11 years

42
Q

Maxillary second premolar (permanent) erupt?

A

10-11 years

43
Q

Mandibular second premolar (permanent) erupt?

A

10-12 years

44
Q

Maxillary canine (permanent) erupt?

A

11-12 years

45
Q

Mandibular second molar (permanent) erupt?

A

11-13 years

46
Q

Maxillary second molar (permanent) erupt?

A

12-13 years

47
Q

Mandibular and maxillary third molar (permanent) erupt?

A

17+ years

48
Q

When is root development completed?

A

2-3 years after eruption of teeth

49
Q

When is calcification of crown of teeth completed?

A

1/2 time of eruption and add 1 year

50
Q

What is the first part of the tooth to calcify?

A

crown

Morphology Exam 1 (8 decks)

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