Characteristics
The effects of radiation are:
accumulated
What is the standard film size?
2
If you are looking for interproximal decay/caries, which type of radiograph would you take?
bitewings
The inventor of xrays is:
Roentgen
A blurred image is caused by:
Patient or tubehead movement
Identify the milliamperage range for dental radiography:
7-15 mA
The temperature for automatic film processing should be around ___ degrees fahrenheit
80
If a patient breaks/chips their tooth, and is reporting pain and or sensitivity, which type of radiograph would you take?
periapical
The MPD per year for radiation workers is ____ rems
5.0
A film placed backwards in the mouth will result in:
herringbone pattern
Identify the term that describes how dark and light areas are differentiated on a film:
contrast
The piece of clear film enclosed in an xray packet that is exposed to radiation and creates an image is called:
film base
Which dental specialist will most likely ask for vertical bitewings?
periodontist
How should the lead apron be stored when not in use?
Hanging up, unfolded
Incorrect horizontal angulation will result in:
overlap
The overall blackness or darkness of a film is termed:
density
When replenishing developer and fixer solutions, they are discarded by:
following regulations
What dental specialty routinely uses cephalometric radiographs?
orthodontics
The dosimeter badge should be worn:
At all times in the dental office
Too much vertical angulation results in:
foreshortening
The film characteristic that the “amount of radiation needed to produce a radiograph of standard density” is:
speed
The lead apron and thyroid collar should be used for:
everyone
ALARA stands for:
As low as reasonably achievable
The area on the tungsten target that the electrons hit are:
Focal spot
Too little vertical angulation results in:
elongation
Identify the kilovoltage range for most dental x-ray machines:
65-100 kVp
In regards to the size of the crystals in the emulsion, the larger the crystal the ______:
faster the film
Which type of radiograph shows both the maxillary and mandibular jaws and all teeth in one radiograph?
Panoramic
The type of radiation that leaks from the tubehead in all directions:
leakage radiation
A film accidentally exposed to white light is:
black
A structure that appears white on a radiograph is considered:
radiopaque
What is the quickest film speed?
F
A new patient comes in for an exam and hasn't been into a dental office in 5+ years. What type of xrays would you take?
FMX
The xray tubehead is divided into two parts called the:
Cathode and anode
If the central beam missed part of the film and was not exposed, the error that occurs will be:
Cone-cut