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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
When do deciduous teeth begin to calcify?
13-20 weeks in utero
26
At what point have all deciduous teeth begun calcifying?
18-20 weeks in utero
27
Time period when deciduous teeth are erupting:
6-30 months
28
What is tooth eruption?
emergence into the oral cavity
29
What is tooth exfoliation?
loss of deciduous teeth
30
When does tooth exfoliation occur?
shortly before the permanent successor erupts
31
When type of tooth is missing from deciduous dentition?
premolars
32
Order of tooth eruption:
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
At what age do mandibular central incisors erupt?
6-8 months
34
At what age do maxillary central incisors erupt?
10 months
35
At what age do maxillary lateral incisor erupt?
11 months
36
At what age do mandibular lateral incisors erupt?
13 months
37
At what age do maxillary first molars erupt?
16 months (first)
38
At what age do mandibular first molars erupt?
16 months (later)
39
At what age do maxillary canines first erupt?
19 months
40
At what age do mandibular canines first erupt?
20 months
41
At what age do mandibular second molars erupt?
27 months
42
At what age do maxillary second molars erupt?
29 months
43
What is a deciduous dentition?
mouth containing only deciduous teeth
44
What is a mixed dentition?
mouth containing both deciduous and permanent teeth
45
What is a permanent dentition?
mouth containing only permanent teeth
46
What are succedaneous teeth?
permanent teeth that replace deciduous teeth
47
What are non-succedaneous teeth?
permanent teeth that do not replace deciduous teeth -molars
48
Order of permanent tooth eruption:
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
When do permanent mandibular first molar erupt?
6 years first
50
When do permanent maxillary first molars erupt?
6 years later
51
When do permanent mandibular central incisor erupt?
6-7 years
52
When do permanent mandibular lateral incisors erupt?
7-8 years
53
When do permanent maxillary central incisors erupt?
7-8 years
54
When do permanent maxillary lateral incisors erupt?
8-9 years
55
When do permanent mandibular canines erupt?
9-10 years
56
When do permanent maxillary first premolars erupt?
10-11 years
57
When do permanent mandibular first premolars erupt?
10-11 years
58
When do permanent maxillary second premolars erupt?
10-11 years
59
When do permanent mandibular second premolars erupt?
10-12 years
60
When do permanent maxillary canines erupt?
11-12 years
61
When do permanent mandibular second molars erupt?
11-13 years
62
When do permanent maxillary second molars erupt?
12-13 years
63
When do permanent mandibular and maxillary third molars erupt?
17+ years
64
When does root development complete?
2-3 years after eruption of teeth
65
Formula to determine approximate crown calcification completion time:
1/2 time of eruption plus 1 year
66
When do maxillary and mandibular central incisors begin calcifying?
3-4 months old
67
When do maxillary lateral incisors begin calcifying?
10-12 months old
68
When do mandibular lateral incisors begin calcifying?
3-4 months old
69
When do maxillary and mandibular canines begin calcifying?
4-5 months
70
When do maxillary first premolars begin calcifying?
1.5-1.75 year
71
When do maxillary second premolars begin calcifying?
2-2.25 years
72
When do maxillary first molars begin calcifying?
at birth
73
When do maxillary second molars begin calcifying?
2.5-3 years
74
When do maxillary third molars begin calcifying?
7-9 years
75
When do mandibular first premolars begin calcifying?
1.25- 2 years
76
When do mandibular second premolars begin calcifying?
2.25-2.5 years
77
When do mandibular first molar begin calcifying?
at birth
78
When do mandibular second molars begin calcifying?
2.5- years
79
When do mandibular third molars begin calcifying?
8-10 years

Dental Morphology (7 decks)

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