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Radiology > Lecture 4 Radiographic Anatomy part 2 > Flashcards

Lecture 4 Radiographic Anatomy part 2 Flashcards

1
Q

How are x-rays produced?

A

Produced in a standard way, by accelerating electrons with a high voltage and allowing them to collide with a metal target.

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2
Q

when are x-rays released?

A

Released when electrons are suddenly decelerated upon collision with the metal target;

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3
Q

Suddenly decelerated electrons upon collision with metal target are commonly called?

A

Brehmsstrahlung or “braking radiation

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4
Q

Characteristic x-rays?

A

When electrons drop from higher states to fill the vacancy, emitting x-ray photons with precise energies determined by the electron energy levels.

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5
Q

Fuzzy edge of object in image is mostly produced by?

A

Scattered X-rays

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6
Q

If source/object distance increases

A

Penumbra will decrease

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7
Q

If object/receptor distance increases

A

Penumbra increases

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8
Q

Size of focal spot increases

A

Penumbra will increase

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9
Q

What is the labelled structure?

A

Genial tubercle / mental spine

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10
Q

Name the labelled structure

A

Genial tubercle / mental spine

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11
Q

Name the obscure middle structure

A

Genial tubercle

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12
Q

Name the labelled structure

A

Lingual foramen

  • anastomosis of the sublingual branches of the right and left lingual arteries
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13
Q

Name the hole structure

A

Lingual foramen

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14
Q

Name the hole structure

A

Lingual foramen

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15
Q

Name this arrowed structure

A

Mental ridges - more commonly seen when using bisecting angle technique

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16
Q

Mental ridges are more commonly seen using?

A

Bisecting angle technique

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17
Q

Name the obscure two lines below the teeth

A

Mental ridges

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18
Q

Name the arrowed structure

A

Mental fossa - depression on alveolar process

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19
Q

Name this arrowed structure

A

Mental foramen - anterior limit of the mandibular canal

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20
Q

Name this arrowed structure

A

Mental foramen

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21
Q

Name the arrowed structure

A

Mandibular canal - contains the inferior alveolar nerve

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22
Q

Mandibular canal contains?

A

Inferior alveolar nerve

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23
Q

Name this black arrowed structure

A

Mandibular canal

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24
Q

Name this arrowed structure

A

Mandibular canal - superimposition makes PDL look wider

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25
Q

Name the labelled white arrow structure and what does it carry?

A

Nutrient canals - carries neurovascular supply

26
Q

Name the white arrowed structure and what does it carry?

A

Nutrient canals which carries neurovascular supply

27
Q

What are the faint dark areas? Where are they more prominent?

A

Nutrient canals - more prominent in anterior mandible

28
Q

Name the white arrowed structure

A

Mylohyoid line

29
Q

Mylohyoid line was formerly known as?

A

Internal oblique ridge

30
Q

Mylohyoid line provides attachment for which muscle?

A

Mylohyoid muscle

31
Q

Name the white arrowed structure

A

Mylohyoid line

32
Q

Name the white arrowed structure

A

submandibular gland fossa

33
Q

Name the white arrowed structure

A

Submandibular fossa

34
Q

Name the white arrowed structure

A

submandibular fossa

35
Q

Name the white arrowed structure

A

External oblique ridge

36
Q

Name the black arrowed structure

A

External oblique ridge

37
Q

Name the aqua line structure

A

External oblique ridge

38
Q

Name the white arrowed structure

A

Inferior border of mandible

39
Q

Name the white arrowed structure

A

Inferior border of mandible

40
Q

Name this structure

A

Coronoid process

41
Q

Name the black arrowed structure

A

Coronoid process

42
Q

Which restoration is indicated by black arrows?

A

Amalgam restorations

43
Q

Which restoration is this?

A

Amalgam restoration

44
Q

What are the restorative material indicated by black arrows?

A

Stainless steel pins

45
Q

Restorative materials indicated here?

A

Stainless steel pins

46
Q

Restorative material here?

A

Cast gold/metallic crowns

47
Q

Restorative material here?

A

Cast gold/metallic crowns

48
Q

Restorative material here?

A

Stainless steel crown

49
Q

Restorative material here?

A

Stainless steel crown

50
Q

Restorative material here?

A

Composite restoration

51
Q

Restorative material here?

A

Composite restoration

52
Q

Restorative material here?

A

composite restoration

53
Q

Restorative material here?

A

Restoration base/lining

54
Q

Restorative material here?

A

Restoration base/lining

55
Q

Restorative material here?

A

Gutta-Percha

56
Q

Restorative material here?

A

Gutta-Percha

57
Q

Restorative material here?

A

Porcelain fused to metal (PFM) Crown

58
Q

Restorative material here?

A

Porcelain Fused to Metal (PFM) Crown

59
Q

Restorative material here?

A

Porcelain (Metal Free) Crowns - Radiopaque outline from cement

60
Q

Restorative material here?

A

Porcelain (Metal Free) Crowns - radiopaque outline from cement

61
Q
A

Radiology (7 decks)

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