Dental Dental Radiography

Question 1

What type of dental X-ray shows the entire tooth from crown to root tip and surrounding bone?

Accepted Answer

Periapical

Answer

Bitewing

Answer

Panoramic

Answer

Occlusal

Question 2

Bitewing radiographs are primarily used to detect which dental condition?

Accepted Answer

Interproximal caries

Answer

Periapical abscesses

Answer

Root fractures

Answer

Impacted teeth

Question 3

What is the ALARA principle in dental radiography?

Accepted Answer

As Low As Reasonably Achievable

Answer

Always Limit All Radiation Amounts

Answer

Apply Lead Aprons Routinely Always

Answer

Avoid Large Area Radiation Applications

Question 4

Which film placement technique uses a paralleling device to hold the film parallel to the long axis of the tooth?

Accepted Answer

Paralleling technique

Answer

Bisecting angle technique

Answer

Occlusal technique

Answer

Panoramic technique

Question 5

What does a radiolucent area appear as on a dental radiograph?

Accepted Answer

Dark/black

Answer

Bright white

Answer

Gray

Answer

Speckled

Question 6

A panoramic radiograph (OPG) is most useful for evaluating which of the following?

Accepted Answer

Impacted third molars and jaw fractures

Answer

Interproximal caries

Answer

Pulpal pathology

Answer

Recurrent decay under crowns