DEN210 Final Flashcards
Of the statements below, which one is correct regarding exposing digital images?
a. Sequencing is not critical.
b. Dental x-rays should be started on the anterior right.
c. Dental x-rays will not harm the patient.
d. Each patient should be evaluated per their needs.
d. Each patient should be evaluated per their needs.
Which statement is correct regarding the sequence of exposing digital x-rays?
a. The text recommends anterior exposures are first.
b. Sequencing is not critical on how you take x-rays.
c. Digital systems recommend and order per exposure.
d. Both A and C.
d. Both A and C.
What does a red diagonal line mean in charting?
Tooth needs to be extracted.
When a radiographer is taking a digital FMX series, which images are commonly taken? (hint: periapicals and bite wings)
14 periapicals and 4 bite wings.
Give 2 reasons why anterior x-rays are recommended first when exposing x-rays.
- Easier for patient to tolerate
- Less likely to trigger the gag reflex
If you have a patient that is 7 years old, who has her 1st molars present, what dental images should you take for this patient?
Bite wings and panoramic.
What is the purpose of the receptor-holding device?
It keeps the sensor securely positioned in patient’s mouth and reduces potential movement.
Which of the following is correct for patient positioning with the paralleling technique?
a. Bisecting angles are used for maxillary.
b. Bisecting angles are used for mandibular.
c. XCP instruments are not used for the paralleling technique.
d. Patient head position is not critical with XCP.
d. Patient head position is not critical with XCP.
During x-ray exposure of a dental image, the operator may:
Stay in the room if guidelines are followed. (6 ft. away, dosimeter, 45 degrees)
What does a red zig-zag on a tooth represent in charting?
Fracture
The exposure of dental radiographs should be documented in the chart to include the:
Number and type of radiographs taken.
What does a blue X on a tooth mean in charting?
missing/extracted tooth
The angulation of the central ray when using the bisecting angle technique is ___ degrees to the imaginary bisector.
90
In an FMX, the seven periapical images in each arch consist of:
a. One right and left premolar images.
b. Two right and left molar images.
c. Three right and left canine image.
d. Two central and lateral images.
b. Two right and left molar images.
The sensor placed in a ____________ position for anterior projections.
a. horizontal
b. perpendicular
c. vertical
d. parallel
c. vertical
