Australian Dental Council (ADC) Test 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 1390

What is the purpose of filtration in X-ray production?

Remove low energy X-rays

Filtration in X-ray production serves the vital purpose of removing low-energy X-rays from the X-ray beam. These low-energy photons do not contribute to the diagnostic quality of the images; instead, they increase patient exposure without enhancing the diagnostic value. By using filtration, primarily composed of materials like aluminum, the useful beam is refined, allowing only the high-energy X-rays that have sufficient penetration ability to reach the patient and contribute to image formation.

This process of removing less useful low-energy X-rays helps improve the overall safety and effectiveness of the X-ray examination. A more energetic beam results in better image quality while minimizing unnecessary radiation exposure for the patient. Thus, filtration is essential in ensuring that X-ray procedures are both effective in diagnostic imaging and safer for patients.

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Reduce exposure time

Increase image resolution

Adjust beam angle

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