National Board Dental Hygiene Examination (NBDHE) Dental Hygienist Practice Test

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Prepare for the National Board Dental Hygiene Exam. Study with flashcards and multiple-choice questions, each offering hints and explanations. Ace your exam!

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Radiographic intensifying screens are used for?

Magnification
Sharpening the image
Reducing the patient dose
Reflecting harmful rays

The correct answer is: Reducing the patient dose

Radiographic intensifying screens play a crucial role in reducing the radiation dose that patients receive during X-ray imaging. These screens are designed to convert the X-ray radiation that passes through the body into visible light, typically green or blue. When X-ray film is placed in contact with these screens, the light emitted by the screens exposes the film much more efficiently than the X-rays alone could. This means that for the same diagnostic quality of an image, less X-ray exposure is needed, thereby minimizing the risk of radiation-related harm to the patient. In addition to reducing the patient's dose, intensifying screens also help to improve the image quality by allowing for greater film speed; however, the primary benefit, especially from a patient safety perspective, is the reduction in the amount of radiation exposure required to achieve a diagnostic image.