Deck 20: Dental Imaging and Diagnostic Equipment

Question 1

Which part of the dental film packet protects the film from light penetration?

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

Answer 1

Black paper

Question 2

Digital radiographs use ____ radiation than conventional X-rays.

A)more
B)less

Answer 2

less

Question 3

Which XCP holder holds film when taking projections for endodontic procedures?

A)Red
B)Blue
C)Green
D)Yellow

Answer 3

Green

Question 4

Which type of radiography system utilizes phosphor storage plates?

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

Question 5

Which part of the X-ray unit is used to adjust the number of impulses used to expose a radiograph?

A)PID
B)Tube Head
C)Control panel

Question 6

What areas should be seen on a periapical radiograph?

A)Crown, root, apex, and surrounding bone of a tooth.
B)Bony and soft tissue area of the facial profile.
C)Coronal part of a posterior teeth.
D)Coronal part of anterior teeth.

Question 7

Which type of imaging unit is used for exposing extraoral radiographs of a patient's teeth and/or skull, produced as a single film?

A)Panoramic and cephalometric imaging unit.
B)SCANX phosphor plate imaging.
C)Handheld Nomad X-ray unit.

Question 8

Which type of exposure is a panoramic?

A)Intraorally.
B)Extraorally.

Question 9

What landmarks should be seen on a bitewing radiograph?

A)Root tips (apices) of the teeth.
B)Root and the apex of the tooth.
C)Anterior teeth to diagnose caries.
D)Interproximals of posterior teeth for diagnostic purposes.

Question 10

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

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

Question 11

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

Question 12

When manually developing a dental film, how is the fixing time determined?

A)Temperature of the water.
B)Age of the chemicals.
C)Developing time.
D)None of the above.

Question 13

What does PID stand for?

A)Position indicating device
B)Posterior indicating device
C)Pressure indication device

Question 14

What anatomy is visible on a panoramic radiograph?

A)Maxillary and mandibular teeth, visible on a single film.
B)Bony and soft tissue areas of the facial profile.
C)Mandibular teeth.
D)Maxillary teeth.

Question 15

Which type of dental radiographic film uses the least amount of radiation?

A)D speed
B)E speed
C)F speed
D)G speed

Question 16

How does an XCP film holder work?

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; both the bisecting and paralleling technique can be used with the XCP holders.

Question 17

Which color of XPC is used to capture a bite-wing image?

A)Red.
B)Blue.
C)Green.
D)Yellow.

Question 18

What is the common size of the dental film used for children younger than 3 years of age?

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

Question 19

What landmarks are seen on a cephalometric radiograph?

A)Maxillary teeth.
B)Mandibular teeth.
C)Bony and soft tissue areas of the facial profile.
D)Maxillary and mandibular teeth, visible on a single film.

Question 20

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

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

Question 21

Holders for digital X-ray sensors feature slots on the ring that are color-coded to the type of X-ray taken.

Question 22

A film duplicator uses X-radiation to copy films to send to another office.