Deck 22: Production and Evaluation of Dental Radiographs

Question 1

A quality assurance program refers to routine procedures that have been established to ensure high quality and minimal risk to patients.

Answer 1

True

Question 2

Bitewing radiographs are also known as interproximal radiographs.

Answer 2

True

Question 3

To recheck your film positioning, the dot on the film is to be towards the occlusal/incisal surface.

Answer 3

True

Question 4

In the bisecting angle exposure technique, the central beam must be ____________.

A) perpendicular to the bisecting line
B) parallel to the bisecting line
C) 45 degrees to the bisecting line
D) none of the above

Question 5

Exposing radiographs is a skill that requires proper technique each and every time.

Question 6

Which of the following would a periapical radiograph show?
1) Apical area of a tooth
2) Tooth development stage
3) Eruption stage

A) 1, 2, 3
B) 2 and 3 only
C) 1 and 2 only
D) None of the above

Question 7

Occlusal radiographs may be taken to view which of the following?
1) Caries
2) Supernumerary teeth
3) Cysts
4) Alveolar crest height
5) Impacted teeth

A) 3, 4, 5
B) 1, 4
C) 1, 2, 3, 4, 5
D) 2, 3, 5

Question 8

In placing a periapical radiograph, how many inches over the occlusal/incisal edge should the film packet be placed?

A) 1/2
B) 5/8
C) 1/8
D) 1

Question 9

Which dental specialist would be the most likely to ask for vertical bitewings?

A) Oral surgeon
B) Orthodontist
C) Periodontist
D) Pediatric dentist

Question 10

The paralleling technique must use a film-holding device.

Question 11

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

A) Upright
B) Supine
C) Subsupine
D) It does not matter

Question 12

In the paralleling technique, the film packet must be ____________.

A) perpendicular to the long axis of the tooth
B) parallel to the long axis of the tooth
C) 45 degrees to the long axis of the tooth
D) none of the above

Question 13

Labial mounting is when the depressed dot is toward the operator as if the operator is viewing the films from the inside out.

Question 14

Vertical positioning will show more open contacts of the premolar.

Question 15

The same number of films are taken on an adult full mouth series as for a child.

Question 16

Today's sewage treatment facilities permit that developer and fixer solutions be poured down the sink drain.

Question 17

The paralleling technique must use a film-holding device.

Question 18

Radiation exposure times are the same for children as for adults.

Question 19

The endodontic film-holding device is made of plastic and aids in the patient's being able to close or bite down

Question 20

Which of the following would appear on a bitewing radiograph?
1) Apical area of a tooth
2) TMJ
3) Alveolar crest
4) Faulty restorations
5) Caries

A) 1, 2, 3, 4, 5
B) 1, 3, 4, 5
C) 2, 3, 4, 5
D) 3, 4, 5

Question 21

The technique error caused by not having enough angulation is ____________.

A) foreshortening
B) elongation
C) occlusal overlap
D) horizontal overlap

Question 22

In the developing solution, which chemical blackens the exposed silver halide crystals?

A) Sodium sulfite
B) Sodium carbonate
C) Hydroquinone
D) Potassium bromide

Question 23

If an automatic processor has a daylight loader, it means the film can be ____________.

A) exposed in the daylight
B) processed in the daylight
C) dried in the daylight
D) none of the above

Question 24

The technique error caused by having too much angulation is ____________.

A) foreshortening
B) elongation
C) occlusal overlap
D) horizontal overlap

Question 25

Movement by the patient's head or the tubehead results in ____________.

A) fogged film
B) blurred image
C) overlap
D) double exposure

Question 26

The ideal temperature of developing solution is ______ degrees.

A) 65
B) 68
C) 72
D) It does not matter.

Question 27

Dark film image is a result of ____________.

A) developing solution being too warm
B) overdeveloping
C) both a and b
D) neither a nor b

Question 28

The safelight is of a _________ spectrum.

A) blue-green
B) red-orange
C) both a and b
D) neither a nor b

Question 29

Placement of the film backward in the patient's mouth results in ____________.

A) herringbone pattern
B) light film image
C) double exposure
D) fogged film

Question 30

A film not exposed to radiation results in ____________.

A) cone cutting
B) overlapping
C) dark film
D) clear film

Question 31

Incorrect horizontal angulation results in ____________.

A) cone cutting
B) clear film
C) overlapping
D) dark film

Question 32

Brown stain is a result of insufficient ____________.

A) rinsing
B) developing
C) fixing
D) drying

Question 33

Light film image is a result of ____________.

A) underexposure
B) underdeveloping
C) both a and b
D) neither a nor b

Question 34

The temperature for automatic processing is around ____ degrees.

A) 70
B) 80
C) 90
D) 100

Question 35

A general rule of thumb is to fix ____________ as the developing time.

A) the same length of time
B) one-half the length of time
C) twice as long
D) none of the above

Question 36

Which of the following will the bitewing radiograph cover?

A) Premolar area
B) Molar area
C) Incisor area
D) Both a and b

Question 37

Streaks on film are a result of ____________.

A) insufficient rinsing
B) dirty rollers on an automatic processor
C) dirty processing racks
D) either b or c

Question 38

Duplication of a radiograph requires ____________.

A) duplicating film
B) duplication machine
C) processing method
D) all of the above

Question 39

Which of the following are intervals of taking radiographs for routine dental exams?

A) 6 months
B) 12 months
C) Both a and b
D) None of the above

Question 40

If the beam missed part of the film, the result is ____________.

A) cone cutting
B) overlapping
C) dark film
D) clear film

Question 42

Which observations should be made of a child's mouth before placing films?

A) Check for loose teeth
B) Cold sores
C) Canker sores
D) All of the above

Question 43

Bitewings will detect which of the following?

A) Caries
B) Faulty restorations
C) Calculus
D) All of the above

Question 45

When mounting films, the term used when placing the dot towards the operator is called ____________.

A) labial mounting
B) lingual mounting
C) bisecting
D) paralleling