Study Guide Week 4 Flashcards
What type of film is used to do a topographic x-ray?
a. Panoramic
b. CT
c. occlusal film
d. MRI
c. occlusal film
CT scanning, MRI, and computed Dental Radiography are computerized and used frequently by dental professionals and considered to be the future in dental radiology. They are considered to be?
a. Imaging system
b. Lateral jaw
c. Extra oral
d. MRI
a. Imaging system
What type of film is used for a panoramic or lateral cephlametrics?
a. MRI
b. Intra oral film
c. CT Scanning
d. Extra oral film
d. Extra oral film
Flat hard containers used to hold the film during exposure:
a. Digital imaging
b. Imaging system
c. Dental Cassettes
d. Intensifying screen
c. Dental Cassettes
This radiograph shows the maxillary arch and the mandibular arch on one film:
a. Occlusal Film
b. Lateral jaw
c. Cephalometric
d. Panoramic
d. Panoramic
Remove all metallic objects and removable prosthodontics, place the lead apron on the patient. Explain the procedure:
a. Lateral jaw
b. Preparing the patient for a panoramic
c. Patient doing a CT
d. Talking about a film holder
b. Preparing the patient for a panoramic
This will hold the film in place:
a. Focal trough
b. Digital sensor
c. Film holder
d. Intensifying screen
c. Film holder
If a Panoramic image has earrings or necklaces left on the patient, what is the error you would see?
a. Reverse smile
b. Ghost imaging
c. Exaggerated smile
d. Thyroid collar left on
b. Ghost imaging
This imaging system requires a sensor to be selected, covered with a protective barrier, and placed in the patient’s mouth. After exposure is made, the sensor plate is removed and mounted on a carousel. The carousel is then placed in the scanner and can be viewed on the computer in less than two minutes:
a. Focal trough
b. Lateral jaw
c. CT
d. Digital imaging
d. Digital imaging
When anterior teeth are widened and blurred on a panoramic, the error is?
a. chin too far forward
b. chin too high
c. chin too far back
d. chin too low
c. chin too far back
When your panoramic exposure has the anterior teeth narrow and blurred, the error will be?
a. Patient is not standing straight
b. Head is tilted
c. Head is too far forward
d. Head is too far back
c. Head is too far forward
A screen coated with phosphors that makes the radiation more effective and reduces exposure:
a. Imaging systems
b. extra oral film
c. Dental cassettes
d. Intensifying screens
d. Intensifying screens
This is the section of the mandible that runs horizontally:
a. Lateral jaw
b. Body
c. Maxilla
d. Focal trough
b. Body
When the patient head is tipped too high during the panoramic exposure, the error will be?
a. Exaggerated smile
b. Reverse Smile
c. Lead apron artifact
d. Ghost Image
b. Reverse Smile
The central ray is directed at an imaginary line that divides the angle, created by the length of the tooth and film packet:
a. Paralleling Technique
b. Bisecting Technique
c. Lateral Jaw
d. Panoramic
b. Bisecting Technique
