X-Ray Characteristics
X-ray quality control can be monitored with this.
What is a step wedge?
William H. Rollins created this principle.
What is ALARA (As low as reasonable achievable)?
Overlapping contacts.
What is horizontal angulation?
Dentist wants overall view of oral cavity and surrounding structures.
What is a panoramic x-ray?
A lesions on an x-ray that shows up white.
What is radiopaque?
The fuzzy, unclear area around a radiographic image.
What is pnenumbra?
A person who positions, exposes, and processes dental x-ray image receptors.
What is a dental radiographer?
Primary beam is misaligned from the film.
What is cone cut?
Hygienist wants to assess bone loss.
What is a vertical bitewing?
Lesion located between the roots of adjacent teeth.
What is an inter-radicular lesion.
The hygienist positioned the VA of the tube head to be too much and resulted in distortion of the x-ray image.
What is foreshortening?
Power of electrons that affects density and contrast.
What is KvP?
A film appears dark due to excessive time, KvP or mA.
What is overexposed film?
Patient comes in with complaints of anterior tooth pain.
What is an anterior periapical?
You would take this type of x-ray to see a sialolith.
What is an occlusal x-ray?
The hygienist forgets to adjust the setting for a smaller patient, this results in...
What is a darker image?
A beam of energy that has the power to penetrate substances and record image shadows on photographic film.
What is radiation?
White spots appear on the film.
What is fixer spots?
Dentist requests x-rays on 5 year old, who can't tolerate bitewings.
What is an occlusal x-ray?
Type of lesion that looks like soap bubbles.
What is multilocular lesion.
Inadequate sharpness can result from these 3 things.
What is focal spot, film composition, or movement?
Affects image magnification.
What is object or target film distance (OFD or TFD)?
A straight white border appears on the film.
What is developer cut-off?
Dentist suspects fracture but is not showing up on intra-oral x-ray.
What is a three dimensional x-ray?
The hygienist takes a pan x-ray and notices radiolucent lesions located around the crown of an impacted tooth.