Chapter 40
Chapter 40
Chapter 41
Chapter 41
Chapter 42
100
Dental images are the property of who?
The Dentist
100
How do you transfer PSPs?
Black transfer box
100
What x-ray is used to detect periodontal disease and interproximal decay?
Bitewing
100
What should the radiographic mount always be labeled with?
The patient's name and the date the images were exposed
100
What is the device on the panoramic unit that is used the aligns the patient's teeth?
head positioner
200
The process of informing the patient of the purpose of dental imaging is called what?
Disclosure
200
How often should processing solutions be changed?
Every 3 to 4 weeks
200
What size film or sensor would be used for anteriors?
Size #1 or #2
200
What will happen if the central ray is not centered on the film?
Cone cut
200
What is the imaginary three-dimensional horseshoe shaped zone relating to extraoral imaging?
Focal trough
300
What test is used to test the safelight in the dark room?
The coin test
300
What should be done if the patient refuses dental images?
Explain the importance, and document in the patient chart
300
Overlapped contact areas on the radiograph is a result of what?
Incorrect horizontal angulation
300
When would the bisecting technique be used?
If the patient has a small mouth or low palatal vaults
300
What will appear on the panoramic image if the patient is wearing earrings or glasses?
Ghost image
400
Who can be held legally responsible for the dental assistant's actions?
The dentist and dental assistant
400
Who is responsible for overall quality assurance?
The Dentist
400
what technique would be used in special situations such as a small mouth, or shallow palate?
Bisecting technique
400
What are factors that can affect the quality of dental radiographs?
Film sensor placement, exposure, and processing
400
What is the correct position for the frankfort plane?
parallel to the floor
500
Who should calibrate the dental x-ray equipment?
A qualified technician
500
checking for light leaks in the darkroom, safelight testing, and equipment testing are all part of what?
Quality control
500
How many posterior images are taken with the paralleling technique?
8
500
An edentulous patient might need radiographic images to detect what?
Identify objects in bone, detecting retained root tips, impacted teeth and lesions.
500
What are the main components of the panoramic unit?
x-ray tubehead, head positioner, and exposure controls
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