Chapter 6: Dental X-Ray Equipment

No federal standards existed for dental x-ray machines manufactured before the year:

A. 1954

B. 1964

C. 1974

D. 1984

1974

Dental Receptors placed inside the mouth are termed:

A. Intraoral

B. Extraoral

C. Occlusal

D. All of the above

intraoral

The component part of the dental x-ray machine that contains the X-ray tube is termed the:

A. Control Panel

B. Tubehead

C. Extension arm

D. Console

Tubehead

The component part of the dental x-ray that allows movement and positioning of the tubehead is termed the:

A. Control panel

B. Extension arm

C. Console

D. Position-indicating device (PID)

Extension arm

The dental radiographer can regulate the x-ray beam (kilovaltage, milliamperage, time) through the use of the:

A. Control panel

B. Extension arm

C. Tubehead

D. PID

Control panel

An instrument that is used to help the dental radiographer position the PID in relation to the tooth and receptor is the

A. Receptor holder

B. Beam alignment device

C. Collimating device

D. None of the above

Beam alignment device

A device that is used to stabilize an intraoral receptor is termed:

A. Beam alignment

B. Collimating

C. Receptor holder.

D. None of the above

Receptor holder

Which one is used to restrict the size of the x-ray beam to the size of an intraoral receptor?

A. Collimating device

B. Receptor holder

C. Beam alignment device

D. None of the above

collimating device

T or F: The federal government dictates how dental x-ray equipment is used.

F

T or F: State and local governments dictate codes that pertain to the use of dental x-ray equipment.

T

T or F: Portable dental x-ray units are approved in all states.

F

T or F: Studies have shown that a portable dental x-ray unit can be used to produce high-quality diagnostic images.

T

T or F: With portable dental x-ray unit operator exposure is limited by using a lead acrylic disk shield around the PID.

T

T or F: An example of a collimating device is the Tru-Align Aiming Device.

F

T or F: An example of a beam alignment device is the Snap-A-Ray.

F

Describe the federal and state and local management over dental radiology

Federal regulates the manufacture and installation while state and local dictate how it is used

Receptor refers to _________ or _________

Film, sensor

Intraoral means _________

Inside the mouth

Extraoral means __________

Outside the mouth

Some intraoral units are __________

Portable

Intraoral units _____________

Allow for exposures outside of the dental office, are batter powered, can be held stable during exposure and produce high-quality, diagnostic images

What are the component parts? (3)

Tubehead, extension arm, and control panel

The extension arm __________

Suspends and allows for positioning of the tubehead

The control panel is an ___________

Allows the dental radiographer to regulate the x-ray beam; is plugged into an electrical outlet and appears as a console or cabinet

On-off switch and indicator light, exposure button and indicator light, control devices (time, kilovolt peak, milliamperage)

What does PID stand for?

Position indicating device

Place in order

1. PID

2. Extension arm

3. Tubehead

3, 1, 2

Define Receptor holder

A device used to hold and align intraoral dental x-ray receptors in the mouth

Define Beam alignment device

An instrument used to help the dental radiographer position the PID relative to the tooth and receptor

What are the 4 types of Receptor holders?

Disposable styrofoam bite-block, molded-plastic devices, EndoRay, Uni-bite

Identify the type of x-ray device:

Intraoral

Identify the type of x-ray device:

Extraoral

Define Collimating device:

for use in conjunction with a beam alignment device; may be retrofitted onto the end of a standard PID to restrict the of the x-ray beam and limit radiation exposure