FREE Radiation Health and Safety Trivia Questions and Answers

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What kind of radiograph does an orthodontist utilize to help with treatment planning?

Correct! Wrong!

Cephalometric x-rays can be used for the following purposes: Dental and orthodontic treatment planning: The use of cephalometric x-rays can show disease or damage that would be difficult or impossible to detect during a standard dental examination.

What item in the dental office contains mercury?

Correct! Wrong!

Dental amalgam is a type of filling material that is used to repair cavities caused by tooth decay. Dental amalgam is a metal amalgam made of liquid (elemental) mercury and a powdered alloy of silver, tin, and copper.

The radiograph that shows the entire tooth, including the crown, roots, and jawline, is known as:

Correct! Wrong!

A periapical X-ray visualizes your complete tooth, from crown to root tip. This X-ray aids your dentist in detecting decay, gum disease, bone loss, and any other abnormalities in your tooth or surrounding bone.

How far should the operator stand away from the x-ray beam to limit exposure?

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Stand behind a protective barrier or at least six feet away from the X-ray source and out of the principal beam's direction. Never ever hold a receptor for a patient.

What is the best place to keep dental film?

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X-ray film should be kept cold and dry, away from ionizing radiation. Because it is heavy, it should be placed on its side. If boxes are piled on top of each other, pressure artefacts may form on the film; these are dark patches that appear after processing.

The x-ray beam's level of penetration is controlled by which of the following?

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The beam quality is controlled by the kilovoltage. The kVp controls the speed of electrons moving from the cathode to the anode and influences the x-ray beam's penetrating capabilities.

What is the name of the equipment used to monitor employees' exposure to radiation?

Correct! Wrong!

In the science of dosimetry, a dosimeter is a device used to detect ionizing radiation exposure (through alpha or beta particles, neutrons, gamma rays, or x-rays). It is a must-have tool for everyone who works in an environment where they may be exposed to radiation.

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