1 Flashcards

1
Q

The dental radiograph is a ___-dimensional picture of a ___-dimensional object.

A

Two; three

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2
Q

The superior foramina of the incisive canal are ___ tiny openings or holes in bone

A

Two

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3
Q

Which of the following radiographic landmarks would appear radiolucent?

A

Suture

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4
Q

The ___ is a marked prominence of bone found on the anterior superior ramus of the mandible

A

Coronoid process

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5
Q

Only the ___ border of the orbit is visible on most panoramic radiographs.

A

Inferior

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6
Q

A foraman is a(n).

A

Opening or hole in bone that permits the passage of nerves and blood vessels.

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7
Q

Bitewing images show:

A

The crowns of the upper and lower teeth on one image

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8
Q

The sizes available for bitewing film include:

A

0,1,2,3

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9
Q

When vertical bitewing exposures are indicated, size ___ film is placed with the long portion of the film in a ___ direction.

A

2, vertical

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10
Q

Which of the following would appear most radiopaque?

A

Amalgam

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11
Q

Which of the following would appear the most radiolucent on a radiograph?

A

Pulp

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12
Q

It is difficult radiographically to differentiate dentin from:

A

Cementum

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13
Q

On a panoramic radiograph, which of the following structures appears as a radiolucency?

A

Pterygomaxillary fissure

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14
Q

The mental fossa is located ___ the mental ridge in the mandibular ___ region.

A

Above;incisor

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15
Q

On a maxillary periapical radiograph, the nasal septum may be superimposed over the:

A

Median Palatal Suture

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16
Q

The use of dental images include the detection of:

A

Bone loss in its early stages

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17
Q

The x-ray was discovered on November 8, 1895, by:

A

Wilhelm Conrad Roentgen

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18
Q

The dentist who is credited with the first practical use of radiographs in dentistry in 1896 is:

A

C. Edmund kells

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19
Q

The term ___ is used to describe areas that appear dark on the image; ___ is the term used to describe areas that are white or light gray.

A

Radiolucent; Radiopaque

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20
Q

The bitewing view is used for detecting:

A
  • Periodontal Disease

- Interproximal Decay

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21
Q

Incorrect horizontal angulation of the PID results in:

A

Overlapped Contact area

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22
Q

Incorrect vertical angulation can result in an image that is:

A
  • Elongated

- Overlapped

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23
Q

Because of the curvature of the arch, a total of ___ bitewing views are taken on an adult patient.

A

Four

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24
Q

The bitewing view shows the:

A
  • Crowns and interproximal areas of the maxillary and mandibular teeth
  • Crestal bone
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25
Q

When taking a premolar bitewing image, the anterior edge of the film sensor should be placed:

A

In the middle of the canine

26
Q

Bitewing projections can not be used to detect:

A

Root Fractures

27
Q

Size 3 film is ___ and is used only for ___ images.

A

Longer and Narrower, Bitewing

28
Q

What is the most important use of radiology in the dental practice?

A

For diagnosis

29
Q

Which of these structures appear radiolucent?

A

Dental pulp

30
Q

Which of the following structures appears radiopaque?

A

Maxillary Tuberosity

31
Q

Which of these is not a mandibular landmark?

A

Incisive foramen

32
Q

Which of these structures appears most radiopaque?

A

Enamel

33
Q

Which of these structures appears radiopaque?

A

Lamina Dura

34
Q

Which of these structures appears radiolucent?

A

Chronic abscess

35
Q

Where is the inverted Y formation found?

A

Where the Nasal Fossa and the Maxillary sinus meet

36
Q

When viewing the Genial Tubercles, you are observing a film in the ___ area.

A

The Mandibular incisive

37
Q

The mental foramen is best observed in the:

A

Mandibular Premolar Area

38
Q

Horizontal angulation is the:

A

Movement of the tubehead side to side

39
Q

The inventor of x-rays is:

A

Roentgen

40
Q

Which of the following would appear on a bitewing radiograph?

A

Caries

41
Q

In which position should the patient be placed for a bitewing radiograph?

A

Upright

42
Q

A bitewing radiograph shows:

A

Caries, faulty restorations, and alveolar crest

43
Q

Vertical angulation in radiographic projections regulates:

A

Length of an image

44
Q

The incisive foramen is best observed in:

A

Maxillary incisor area

45
Q

Radiolucent means:

A

Tooth or structures appear dark on a film

46
Q

The nasal septum is a:

A

Bone structure that separates the right and left nasal fossa

47
Q

The retromolar pad is located:

A

Behind mandibular molars

48
Q

Maxillary Tuberosity is located:

A

Behind maxillary molars

49
Q

Objects that appear white or light gray on a radiograph are termed:

A

Radiopaque

50
Q

What is the appearance of the pulp on a radiograph?

A

Radiolucent

51
Q

The nasal fossa is:

A

Radiolucent

52
Q

How are mandibular molars recognized on a radiograph?

A

Bifurcated roots

53
Q

What will identify a radiograph as that of a maxillary central incisor area?

A

Median suture

54
Q

The detection of interproximal caries is seen best with a (an):

A

Bitewing film

55
Q

What is the name of the diagonal radiopaque line visible at the lower part of the roots of the mandibular molars?

A

Internal oblique ridge

56
Q

What is the small circular radiolucency near the roots of the mandibular premolars called?

A

Mental foramen

57
Q

What term describes the u-shaped radiopaque structure often seen in maxillary molar films?

A

Coronoid process

58
Q

What is the thin radiopaque band between the maxillary central incisors called?

A

Nasal septum

59
Q

What term describes the heavily radiopaque midpoint of the mandible?

A

Symphysis

60
Q

What is the large radiolucent area shown on maxillary molar radiographs called?

A

Maxillary sinus

61
Q

What is the long, narrow and radiolucent area visible below the roots of the mandibular molars called?

A

Mandibular canal

62
Q

What is the radiopaque circular area below the apicies of the mandibular incisors called?

A

Genial tubercles