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Dental Morphology > Terminology and Chronology > Flashcards

Terminology and Chronology Flashcards

1
Q

Numbers of central inscisors:

A

8 and 9- maxillary
24 and 25- mandibular

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2
Q

Numbers of lateral incisors:

A

7 and 10- maxillary
23 and 26 mandibular

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3
Q

Numbers of canines:

A

6 and 11- maxillary
22 and 27 mandibular

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4
Q

Anterior Teeth:

A

6,7,8,9,10,11
22,23,24,25,26,27

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5
Q

Numbers of premolars:

A

4,5,12, and 13- maxillary
20,21,28, and 29 mandibular

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6
Q

Numbers of molars:

A

1,2,3,14,15,16- maxillary
17,18,19,30,31,32- mandibular

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7
Q

How are primary teeth labeled?

A

a-t
start maxillary right
-maxillary left
-mandibular left
-mandibular right

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8
Q

What is the vermilion border?

A

sharp junction of red zone and skin

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9
Q
A

vermilion border

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10
Q

What is the nasolabial groove?

A

demarcates the lip and cheek

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11
Q
A

nasolabial groove

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12
Q

What is the philtrum of lip?

A

middle upper lip

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13
Q
A

philtrum of lip

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14
Q

What is the lab labiomental groove?

A

groove under lip on chin

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15
Q

What is the labial/buccal frena?

A

attachments of lips and cheeks to alveolus

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16
Q
A

Labial/buccal frena

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17
Q

What is the hard palate?

A

the anterior 2/3 of palate

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18
Q

What is included in the hard palate?

A

incisive papilla
rugae
midline palatine raphe

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19
Q

What is the soft palate?

A

posterior 1/3 of palate

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20
Q

What is included in the soft palate?

A

uvula

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21
Q

What is the oropharynx?

A

throat at the back of the mouth
-tonsils
-anterior and posterior pillars of fauces

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22
Q

What are the two structures on floor of mouth?

A

sublingual folds
-raised folds where submandibular salivary ducts open
lingual frenum
-attach tongue to bottom of mouth

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23
Q

Where is the retromolar region?

A

the space behind the last molar in the mandible

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24
Q

When is the first sign of tooth development?

A

6-7 week in utero

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25
Q

When do deciduous teeth begin to calcify?

A

13-20 weeks in utero

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26
Q

At what point have all deciduous teeth begun calcifying?

A

18-20 weeks in utero

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27
Q

Time period when deciduous teeth are erupting:

A

6-30 months

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28
Q

What is tooth eruption?

A

emergence into the oral cavity

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29
Q

What is tooth exfoliation?

A

loss of deciduous teeth

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30
Q

When does tooth exfoliation occur?

A

shortly before the permanent successor erupts

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31
Q

When type of tooth is missing from deciduous dentition?

A

premolars

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32
Q

Order of tooth eruption:

A

mandibular central incisor
maxillary central incisor
maxillary lateral incisor
mandibular lateral incisor
maxillary first molar
mandibular first molar
maxillary canine
mandibular canine
mandibular second molar
maxillary second molar

33
Q

At what age do mandibular central incisors erupt?

A

6-8 months

34
Q

At what age do maxillary central incisors erupt?

35
Q

At what age do maxillary lateral incisor erupt?

36
Q

At what age do mandibular lateral incisors erupt?

37
Q

At what age do maxillary first molars erupt?

A

16 months (first)

38
Q

At what age do mandibular first molars erupt?

A

16 months (later)

39
Q

At what age do maxillary canines first erupt?

40
Q

At what age do mandibular canines first erupt?

41
Q

At what age do mandibular second molars erupt?

42
Q

At what age do maxillary second molars erupt?

43
Q

What is a deciduous dentition?

A

mouth containing only deciduous teeth

44
Q

What is a mixed dentition?

A

mouth containing both deciduous and permanent teeth

45
Q

What is a permanent dentition?

A

mouth containing only permanent teeth

46
Q

What are succedaneous teeth?

A

permanent teeth that replace deciduous teeth

47
Q

What are non-succedaneous teeth?

A

permanent teeth that do not replace deciduous teeth
-molars

48
Q

Order of permanent tooth eruption:

A

mandibular first molar
maxillary first molar
mandibular central incisor
mandibular lateral incisor
maxillary central incisor
maxillary lateral incisor
mandibular canine
maxillary first premolar
mandibular first premolar
maxillary 2nd premolar
mandibular 2nd premolar
maxillary canine
mandibular 2nd molar
maxillary 2nd molar
mandibular 3rd molar
maxillary 3rd molar

49
Q

When do permanent mandibular first molar 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 incisor erupt?

52
Q

When do permanent mandibular lateral incisors erupt?

53
Q

When do permanent maxillary central incisors erupt?

54
Q

When do permanent maxillary lateral incisors erupt?

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 and maxillary third molars erupt?

64
Q

When does root development complete?

A

2-3 years after eruption of teeth

65
Q

Formula to determine approximate crown calcification completion time:

A

1/2 time of eruption plus 1 year

66
Q

When do maxillary and mandibular central incisors begin calcifying?

A

3-4 months old

67
Q

When do maxillary lateral incisors begin calcifying?

A

10-12 months old

68
Q

When do mandibular lateral incisors begin calcifying?

A

3-4 months old

69
Q

When do maxillary and mandibular canines begin calcifying?

A

4-5 months

70
Q

When do maxillary first premolars begin calcifying?

A

1.5-1.75 year

71
Q

When do maxillary second premolars begin calcifying?

A

2-2.25 years

72
Q

When do maxillary first molars begin calcifying?

73
Q

When do maxillary second molars begin calcifying?

A

2.5-3 years

74
Q

When do maxillary third molars begin calcifying?

75
Q

When do mandibular first premolars begin calcifying?

A

1.25- 2 years

76
Q

When do mandibular second premolars begin calcifying?

A

2.25-2.5 years

77
Q

When do mandibular first molar begin calcifying?

78
Q

When do mandibular second molars begin calcifying?

A

2.5- years

79
Q

When do mandibular third molars begin calcifying?

A

8-10 years

Dental Morphology (7 decks)

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