Deck 20: Dental Radiography Equipment

Question 1

A ______ XCP holder holds film when taking projections for endodontic procedures.

A)red
B)blue
C)green
D)yellow

Answer 1

green

Question 2

A _______________________________ utilizes phosphor storage plates.

A)Cone beam 3-D imaging system
B)Digital panoramic imaging unit
C)SCAN digital imaging system
D)Digital intraoral x-ray unit

Answer 2

SCAN digital imaging system

Question 3

What is the commonly used x-ray film for periapical and bite-wing x-ray?

A)Size 1
B)Size 2
C)Size 3

Answer 3

Size 2

Question 4

Digital radiographs use ____ radiation than conventional x-rays.

A)more
B)less

Question 5

Digital holders for x-ray sensors feature slots on the ring which are color-coded to the type of x-ray taken.

Question 6

_____________ is the part of the film to protect the film from light penetration.

A)Lead foil
B)Black paper
C)Vinyl cover

Question 7

Which size film is usually used for an occlusal projection of the anterior teeth on a child?

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

Question 8

Which type of film uses the least amount of radiation?

A)"E" speed
B)"D" speed
C)"F" speed
D)All above use the same amount of radiation.

Question 9

A panoramic radiograph takes a view of the

A)maxillary and mandibular teeth, all on one x-ray.
B)bony and soft tissue areas of the facile profile.
C)maxillary teeth.
D)mandibular teeth.

Question 10

The purpose of taking a periapical x-ray is to view the

A)crown, root, apex, and surrounding bone of a tooth.
B)coronal part of a posterior tooth only.
C)bony and soft tissue area of the facile profile.
D)None of the above

Question 11

______________ is the imaging unit that is commonly used for exposing extraoral radiographs.

A)Panoramic and cephalometric imaging unit
B)CAD CAM unit
C)Ultrasound imaging unit

Question 12

The purpose of taking bite-wing x-rays is to view the

A)root tips (apices) of the teeth.
B)root and the apex of the tooth.
C)anterior teeth to diagnose caries.
D)coronal part of the posterior teeth for diagnosing caries.

Question 13

What does PID stand for?

A)Position indicating device
B)Positioning indicator device
C)None of the above

Question 14

__________ is the common size of the film for children under the age of 3.

A)Size 0
B)Size 1
C)Size 2
D)Size 3

Question 15

For manual developing of an x-ray, the time to fix the x-ray in the fixing solution depends on the

A)solution being used.
B)temperature of the water.
C)developing time; fixing time is double the developing time.
D)None of the above

Question 16

Which size film is usually used for a periapical x-ray and a bite-wing x-ray on an adult patient?

A)0
B)1
C)2
D)3

Question 17

Unwrapped film left too close to the safelight or exposed for more than 2 to 3 minutes will appear fogged.

Question 18

The film holder XCP

A)uses the parallel technique for exposing radiation to the film.
B)uses the bisecting technique for exposing radiation to the film.
C)A or B; bisecting or paralleling could be used with the XCP holders.

Question 19

A panoramic x-ray is an

A)intraoral x-ray.
B)extraoral x-ray.

Question 20

A cephalometric radiograph takes a view of the

A)maxillary teeth.
B)mandibular teeth.
C)maxillary and mandibular teeth, all on one x-ray.
D)bony and soft tissue areas of the facile profile.