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Lateral Facial Bones X-ray Positioning

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Questions and Answers

Where should the X-ray beam be directed for lateral facial bone imaging?

At the outer canthus of the eye
At the bridge of the nose
2.5 cm superior to the outer canthus of the eye
2.5 cm inferior to the outer canthus of the eye (correct)

What is the appropriate orientation of the X-ray beam for lateral facial bones?

Diagonal beam at an angle
Horizontal beam centered horizontally (correct)
Oblique beam directed vertically
Vertical beam directed anteriorly

How far below the outer canthus should the X-ray beam be centered for lateral facial bone views?

2.5 cm (correct)
1 cm
3 cm
4 cm

Which of the following describes the necessary beam collimation for lateral facial bones?

<p>Beam should be collimated to a narrow field (C)</p> Signup and view all the answers

What is the significance of centering the X-ray beam 2.5 cm inferior to the outer canthus?

<p>It provides a clearer image of the orbits (B)</p> Signup and view all the answers

Flashcards

Lateral Facial X-ray

An X-ray of the facial bones taken from a lateral position, positioned specifically to visualize the structures properly.

Beam Centre Point

The point on the face where the X-ray beam is targeted, located 2.5cm below the outside corner (outer canthus) of the eye.

Outer Canthus

The outer corner of the eye.

Collimated Beam

A focused X-ray beam, preventing unnecessary radiation.

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Inferior

Below.

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Study Notes