Dental Radiology Review

What type of error do you see?

• Cervical spine appears as radiopacity in center of image

• Ghost imaging

• Patient chin too high=Reverse smile line (frown)

• Patient's chin too low=Exaggerated smile line

Which type of cells or tissue is the most sensitive to radiation?

• muscle

• nerve

• reproductive

• liver

Identify this Bite Wing Radiograph

• Right Side Molar

• Right Side Premolar

• Left Side Molar

• Right Side Premolar

This periapical is showing the:

• Maxillary Right

• Maxillary Left

• Mandibular Right

• Mandibular Left

A radiograph used to show the crowns of both arches on a single image and commonly used to diagnose cavities is called

• bitewings

• periapicals

• occlusals

• panoramic

The QUANTITY of x-rays is controlled by______?

• exposure time

• Milliamperage MA

• kVp

• Voltage

What is the elongation of a tooth on a radiograph the result of?

• improper vertical angulation

• improper horizontal angulation

• improper sensor placement

What are bitewing radiographs primarily used for?

• to detect diseases of the pulp

• to locate impacted teeth

• to detect interproximal decay

• to locate foreign objects in the mouth

What does the term extraoral mean?

• outside of the mouth

• inside of the mouth

• exposure time

• extra teeth

What does a panoramic image show?

• entire skull

• maxillary arch

• mandibular arch

• both maxillary and mandibular arch