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Dental Radiation Safety Questions and Answers 100% Solved
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Dental Radiation Safety
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Dental Radiation SafetyUse of lead apron in keeping with what concept of patient protection – answer ALARA
(As low as reasonably achievable)
This is required on all x-ray equipment to remove long wavelength x-rays - answer
Aluminum Filter
Maximum Permissible Dose - answer Dose of radiation the body can endure with little
or no injury within a specific period
Maximum Accumulated Dose - answer The maximum accumulated lifetime radiation
dose
Film Holding Device - answerreduces exposure to patient and movement of the film and
stabilizes film
What are the three categories of methods for protecting oral health personnel from
radiation? - answer Distance, Shielding, and time
When is the thyroid collar recommended? - answer Intraoral Exam
Inherent Filtration - answerfiltration that is built into the x-ray tube. Such as the oil
surrounding the tube and glass window
Added Filtration - answerrefers to aluminum discs in the x-ray path between the
collimator and the tubehead in the x-ray machine.
Total Filtration - answerthe sum of inherent and added filtration
what material and how much is used in a lead apron? - answer.25mm of lead or its
equivalent
what is the ideal place to stand or protection when taking a radio-graph? -
answerbehind a structural barrier
this controls the size and shape of the useful beam - answercollimator
what is the technique of choice for exposing perriapical radio graphs - answerparalleling
technique
When taking a x-ray what angle should the operator stand from where the primary beam
exits the patient - answer45 Degrees
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