Dental Radiography - short "danb" review
Horizontal angulation is:
Side to side angulation
What size of dental film is used for imaging the anterior region of the mouth with the paralleling technique?
Size 1 <--correct Size 2 <- posterior Size 3 <- bitewing Size 4 <- occlusal
The bitewing view shows the:
The crowns and interproximal areas of the maxillary and mandibular teeth.
Calibration of dental x-ray equipment should by performed by __________
a qualified technician
Which technique can be used in situations such as small mouth, shallow palate, or the presence of tori?
bisecting technique
Transporting PSP films should be done by placing them in:
black transfer box *PSP scanners used laser technology*
The bitewing view is used for detecting:
bone loss associated with periodontal disease interproximal caries
An intraoral full-mouth survey contains:
both periapical and bitewing images *18-20 fmx
Who can be held legally responsible for a dental assistant's actions?
both the dentist and assistant
The safelight in the darkroom can be tested by ____________.
coin test
If the central ray of the x-ray beam is not centered on the film sensor, a partial image will result on the film sensor, which is called:
cone cut
A patient wearing earrings or glasses must remove them before a panoramic x-ray image exposure; otherwise, a ____ will appear on the image.
dark area
The CBCT is useful in helping the dentist:
decide the correct placement of implants; with extractions of impacted teeth; and determine the exact location of the mandibular nerve before surgery
A panoramic image allows the dentist to do all of the following except:
detect caries
Insufficient vertical angulation can result in an image that is:
elongated
Incorrect horizontal angulation of the PID results in:
overlapped contact areas
Anterior teeth that appear fat are caused by ____________.
patient's teeth positioned too far back on the bite-block
When a dark radiolucent shadow obscures the apices of the maxillary teeth, the:
patient's tongue was not in contact with the palate during the exposure
Radiographic images on an edentulous patient might be required for detection of:
retained root tips, impacted teeth, and lesions
The molar bitewing should centered over the:
second molar
Vertical angulation is:
up and down plane
To avoid a lead apron artifact on a panoramic radiograph:
use a lead apron without a thyroid collar, and place the lead apron low around the neck of the patient so that it does not block the x-rat beam
When a size #2 film sensor is used, the anterior films are in the ______ position and the posterior films/sensors are in the ______ position.
vertical, horizontal
Following removal of an exposed film or PSP from a patient's mouth, the film/PSP should be ___________________
wiped free of saliva using a dry 2 x 2inch gauze sponge or paper towel
The ADA recommends that films be mounted:
with the convex portion of the dot facing up