Intraoral Xray Quiz

Examine the entire tooth including the crown , root and their supporting bone. Which intraoral x-ray examination match the description above?

• Occlusal

• Bitewing

• Perapical

• Full mouth survey

All of these are the functions of film holder when taking intraoral xray EXCEPT

• it facilitates aligning the xray cone with the film in both horizontal and vertical planes

• increases accuracy and reduces the need for unnecessary retakes

• it provides comfort to the patient

• it is known as aiming ring

Choose the correct name for line A and B

• A. Perpendicular line

  B. Long axis of tooth

• A. Parallel line

  B. Bisecting line

• A. Central axis

  B. Imaginary line

• A . Long axis of tooth

  B. Imaginary bisecting line

............................... technique is used when the film cannot be placed parallel to the long axis of the tooth due to anatomical interference. 

• Perpendicular

• Paralleling

• Bisecting

• Imaginary

If the beam orientation is more than 90 degree, the teeth will be

• elongated

• foreshortened

• the same length as the tooth

What does the Error E.00 in Planmeca Prox intraoral xray means?

• Too long exposure

• Exposure key was released too early during exposure

• Exposure key faulty

• Exposure is not enough

What does double exposure film means ?

• double press release of exposure button

• double shoot of xray on the same patient

• accidentally pick up an exposed film and use it for another exposure

This elongated image as a result of ?

• Too much vertical angulation

• Too much horizontal angulation

• Too little vertical angulation

• Too little horizontal angulation

What you should do if you see this image?

• Decrease the exposure parameter

• Press the exposure button longer

• Increase the exposure parameter

When a tooth is exposed to a beam of x-rays during dental radiography, it produces an image of various grayscale level.  The tooth tissues absorb the x-rays depending on their mineral content. Which one of the following terms describes those tissues that absorb little of the beam?

• Fluorescent

• Radiolucent

• Radiopaque

• Translucent