Clinical Assessment & Patient Care Flashcards
7 cards from real Radiation Health and Safety Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Clinical Assessment & Patient Care flashcards as text
According to ADA/FDA selection criteria, which patient generally needs a full mouth series or panoramic plus bitewings?
Answer: New adult patient with generalized dental disease and no prior radiographs
New patients with no previous images often need a baseline comprehensive set.
What is the typical recommended bitewing interval for an adult with low caries risk?
Answer: Every 24-36 months
Low-risk adults can go 24-36 months between bitewings.
A child with primary dentition has closed proximal contacts. Which radiographs are indicated?
Answer: Posterior bitewings
Closed contacts prevent clinical detection of interproximal caries, so bitewings are indicated.
Who has legal responsibility for prescribing dental radiographs?
Answer: The dentist
The dentist evaluates the patient and prescribes radiographs based on individual need.
A patient has limited mouth opening and cannot tolerate intraoral receptors. What is a reasonable option?
Answer: Panoramic imaging
Extraoral imaging like panoramic avoids intraoral placement when it is not tolerated.
Why is the beam kept collimated to the receptor size using rectangular collimation?
Answer: It reduces patient dose by limiting tissue exposed
Rectangular collimation shrinks the beam to receptor size, reducing tissue irradiated and scatter.
Which patient factor most strongly increases the need for more frequent bitewings?
Answer: High caries risk
High-risk patients may need bitewings every 6-18 months.
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