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Radiology > Types of Radiographs and Film Holders > Flashcards

Types of Radiographs and Film Holders Flashcards

1
Q

What are 2 examples of extraoral radiographs?

A
  1. ) Panoramic (Pan)

2. ) Cephalometric (Ceph)

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2
Q

Film packets come in what sizes?

A

0-4

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3
Q

Children under 6 years old, should have what size film packets used for anterior/posterior, bitewing, and occlusal radiographs?

A

Anterior/Posterior: Size 0 or 1
Bitewing: Size 0
Occlusal: Size 2

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4
Q

Children 6-12 years old, should have what size film packets used for anterior/posterior, bitewing, and occlusal radiographs?

A

Posterior: 0 or 2
Anterior: 0 or 1
Bitewing: 2
Occlusal: 2

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5
Q

Adults should have what size film packets used for posterior periapicals, anterior periapicals when paralelling, anterior periapicals when bisecting, bitewings, and occlusals?

A 
Posterior Periapical: 2
Anterior Periapical (Paralelling): 1 or 2
Anterior Periapical (Bisecting): 2
Bitewing: 2 or 3
Occlusal: 4
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6
Q

What letter film speed is the fastest and has the shortest wave length?

A

F-Speed

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7
Q

F-Speed can reduce patient exposure by what percentage?

A

60%

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8
Q

What are 4 examples of film holders?

A
  1. ) Snap-A-Ray (Bite block device)
  2. ) Hemostat
  3. ) Uni-Bite
  4. ) Endo-ray II
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9
Q

Name 2 times you may use a hemostat film holder.

A
  1. ) Endodontic radiographs

2. ) When there is limited space

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10
Q

Name 3 times you may use a Uni-Bite film holder.

A

When taking radiographs of:

  1. ) Anterior
  2. ) Posterior
  3. ) Bitewings with paralleling
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11
Q

What is the XCP used for?

A

Designed for use with paralleling and bisecting techniques.

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12
Q

What 3 things does the XCP consist of?

A
  1. ) Bite blocks
  2. ) Extension rods
  3. ) Locator ring
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13
Q

What is the purpose of the locator ring in the XCP?

A

Helps align PID with film in the patients mouth.

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14
Q

When used properly, what can the XCP reduce?

A

Cone cutting.

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15
Q

Stable bite blocks are disposable. What are 2 reasons for using them?

A
  1. ) For periapical exposures of the anterior and posterior areas of the oral cavity
  2. ) For either paralleling or bisecting
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16
Q

What 2 things are bitewing tabs made of?

A
  1. ) Paper loops

2. ) Adhesive tabs

17
Q

What is the purpose for using bitewing tabs?

A

To stabilize interproximal bitewing films during exposure. These are helpful with children or patients with small mouths, or excess tori.

18
Q

What is a cassette?

A

A light tight envelope or metal frame which surrounds an extraoral film.

19
Q

What is the purpose of the black paper wrapping on an X-ray film packet?

A

Protect the film from light exposure.

20
Q

What are the 2 purposes of the lead foil sheet?

A
  1. ) Shields film from scatter radiation

2. ) Reduces film fogging

21
Q

What is the double ended film holder that is used for anterior teeth?

A

Eezee-Grip

22
Q

The ADA classifies intraoral films by a number that combines what 2 things?

A
  1. ) The type of film

2. ) The size of the film

23
Q

Periapical films classifications are generically represented by _______, where x is what?

A

1.x, and x is the size of the film

24
Q

Bitewing film classifications are generically represented by ______, where is w is what?

A

2.x, and x is the size of the film

25
Q

There is one type of standard occlusal film. What is the size represented as?

A

3.4

26
Q

What area of the tooth is the periapical film used to capture? There are 3 areas.

A
  1. ) Apical or top area of the tooth
  2. ) Nearby bone structures
  3. ) Crown
27
Q

Periapical films come in 3 sizes. One size is for children, and 2 sizes are used for adults. Name the sizes used for each person, and corresponding areas of the mouth that they are used for.

A
  1. ) Size 0 is used for children, posterior and anterior

2. ) Size 1 and 2 are used for adults. Size 1 is used for anterior, and size 2 is used for posterior.

28
Q

Films come in sizes 1-4. What size is usually used for an occlusal film? What size can also be used.

A

Size 3 is usually used, but size 4 can also be used.

29
Q

What size film is used for both bitewings and vertical bitewings?

A

Size 2

30
Q

What are the 3 types of intraoral radiographs?

A
  1. ) Bitewing
  2. ) Periapical
  3. ) Occlusal
31
Q

During a periapical X-ray, the entire tooth and root should be captured. How many millimeters of the periapical bone should be recorded?

A

At least 2mm

32
Q

What does CMX stand for?

A

Complete-Mouth

Radiology (9 decks)

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