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D2 Fall - Radiology > 9/17: Maxillary Intraoral Anatomy > Flashcards

9/17: Maxillary Intraoral Anatomy Flashcards

1
Q

What is the thin radiopaque layer of dense bone that bounds the teeth sockets?

A

Lamina dura

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2
Q
A

Lamina dura

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3
Q
A

Lamina dura

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4
Q
A

Lamina dura

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5
Q

What is the gingival margin of the alveolar process between teeth (radiopaque line)?

A

Alveolar crest

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6
Q
A

Alveolar crest

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7
Q
A

Alveolar crest

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8
Q

What appears as a radioluscent space between the tooth root and the lamina dura?

A

Periodontal ligament space

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9
Q
A

PDL space

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10
Q
A

PDL space

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11
Q
A

Double PDL and lamina dura

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12
Q

Why would a double PDL space and lamina dura be seen?

A

When there is a convexity of the proximal surface of the root resulting in two heights of contour

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13
Q

Where does cancellous bone lie?

A

Between the cortical plates in both jaws

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14
Q
A

Trabecular plates

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15
Q
A

Marrow space

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16
Q

What lies at or just below the junction of the inferior end of the nasal septum and the inferior outline of the nasal aperture?

A

Anterior nasal spine

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17
Q
A

Anterior nasal spine

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18
Q
A

Anterior nasal spine

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19
Q
A

Anterior nasal spine

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20
Q
A

Anterior nasal spine

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21
Q

What extends from alveolar crest between #8 and #9 posteriorly to distal aspect of hard palate?

A

Intermaxillary suture

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22
Q
A

Intermaxillary suture

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23
Q
A

Intermaxillary suture

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24
Q
A

Intermaxillary suture

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25
Q
A

Intermaxillary suture

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26
Q

What transmits nasopalatine nerves and vessels?

A

Nasopalatine canal

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27
Q

Where does the nasopalatine canal terminate?

A

In incisive foramen

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28
Q
A

Nasopalatine canal

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29
Q
A

Nasopalatine canal

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30
Q
A

Nasopalatine canal

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31
Q
A

Nasopalatine canal

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32
Q

What is the oral end of the nasopalatine canal?

A

Incisive foramen

33
Q
A

Incisive foramen

34
Q
A

Incisive foramen

35
Q
A

Incisive foramen

36
Q
A

Incisive foramen

37
Q
A

Incisive foramen

38
Q
A

floor of the nasal cavity

39
Q
A

floor of the nasal cavity

40
Q
A

floor of the nasal cavity

41
Q

Dark blue

A

Floor of nasal cavity
- straight line

42
Q

light blue

A

Floor of max sinus
- wavy

43
Q

What is the interaction between the floor of the nasal cavity and floor of max sinus called?

A

Inverted Y

44
Q
A

Inferior nasal concha

45
Q
A

Nasal septum

46
Q

What is an air containing cavity lined with mucous membrane?

A

Max sinus

47
Q
A

Inferior border of the maxillary sinus

48
Q
A

Inferior border of the maxillary sinus

49
Q

where is the maxillary sinus found?

A

apices of maxillary premolars and molars

50
Q
A

neurovascular canal in wall of the maxillary sinus

51
Q

the inverted Y is formed by

A

nasal fossa and maxillary sinus

52
Q

on a radiograph, where do you see the inverted Y?

A

where the canines and premolars are

53
Q
A

Soft tissue tip of nose

54
Q
A

Soft tissue tip of nose

55
Q
A

Soft tissue tip of nose

56
Q
A

Soft tissue tip of nose

57
Q

What is a depression in the maxilla near the apex of the lateral incisor?

A

Lateral fossa

58
Q

What is formed by a depression in the maxilla?

A

Lateral fossa

59
Q
A

Lateral fossa

60
Q
A

Lateral fossa

61
Q

What runs from the orbit inferiorly to the nasal cavity?

A

Nasolacrimal canal

62
Q
A

Nasolacrimal canal

63
Q
A

Nasolacrimal canal

64
Q

What is an extension of the lateral maxillary surface tha tarticulates with the maxillary process of the zygoma?

A

Zygomatic process of the maxilla

65
Q
A

Zygomatic process of the maxilla

66
Q
A

Zygomatic process of the maxilla

67
Q
A

Zygomatic process of the maxilla

68
Q
A

Zygomatic process of the maxilla

69
Q
A

Zygoma

70
Q
A

Zygoma

71
Q
A

Zygoma

72
Q

What is an oblique line demarcating a region that appears to be covered by a veil of slight radiopacity?

A

Nasolabial fold

73
Q

What does the nasolabial fold frequently traverse?

A

Periapical radiographs of the premolar region

74
Q
A

Nasolabial fold

75
Q

Right diagnal line

A

Nasolabial fold

76
Q
A

Tuberosity

77
Q
A

Tuberosity

78
Q
A

Pterygoid plates

79
Q
A

Hamular process

D2 Fall - Radiology (12 decks)

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