Chapter 19: Bite-Wing Technique
Iannucci: Dental Radiography, 5th Edition
MULTIPLE CHOICE
1. (1) The bite-wing tab is a heavy paperboard tab or loop fitted around a periapical film or
sensor and used to stabilize the receptor during exposure. (2) The periapical receptor is
oriented in the bite loop so that the tab portion extends from the white side (tube side) of the
film or sensor.
a.
Both statements are true.
b.
Both statements are false.
c.
The first statement is true; the second statement is false.
d.
The first statement is false; the second statement is true.
2. _______ sizes of bite-wing receptors are available.
a.
Two
b.
Three
c.
Four
d.
Six
3. You have a 4-year-old boy in your chair, which size receptor will you need to use to take
bite-wing images on him?
a.
Size 0
b.
Size 1
c.
Size 2
d.
Size 3
4. Which size bite-wing receptor may be placed in a horizontal or vertical position?
a.
Size 0
b.
Size 1
c.
Size 2
d.
Size 3
5. Your 35-year-old patient has clinical attachment loss in the posterior teeth. What type of
bite-wing images should you take, and what size receptor should you use?
a.
Horizontal; 1
b.
Horizontal; 2
c.
Vertical; 1
d.
Vertical; 2
6. (1) Size 3 receptor can only be used for bite-wing images. (2) Size 3 receptor is the
recommended size for adult bite-wing images.
a.
Both statements are true
b.
Both statements are false.
c.
The first statement is true; the second statement is false.
d.
The first statement is false; the second statement is true.
7. In the adult patient, which size receptor is recommended for bite-wing exposures?
a.
Size 0
b.
Size 1
c.
Size 2
d.
Size 3
8. When taking a molar bite-wing image, in order to follow rule number 5 of the bite-wing
technique, receptor exposure, what must the mesial part of the PID cover?
a.
Mesial of the mandibular first molar
b.
Both first molars
c.
Mesial of the mandibular second premolar
d.
Both second premolars
9. The problem with a single bite-wing receptor per side for adult patients is increased
a.
x-ray exposure.
b.
possibility of inciting the gag reflex.
c.
overlapped contacts.
d.
useful diagnostic information.
10. When determining vertical angulation, if the position-indicating device (PID) is positioned
above the occlusal plane and the central ray is directed _______, the vertical angulation is
termed _________.
a.
upward; positive
b.
downward; positive
c.
upward; negative
d.
downward; negative
11. Which of the following exposure sequences is recommended for the patient who requires both
periapical and bite-wing images?
1. Bite-wing exposures
2. Anterior periapical receptors
3. Posterior periapical receptors
a.
1, 2, 3
b.
2, 1, 3
c.
2, 3, 1
d.
3, 1, 2
12. Vertical bite-wings are often used for patients with
a.
mixed dentition.
b.
extensive decay.
c.
bone loss.
d.
sealants.
13. What modification in technique is recommended when the patient has an edentulous space
causing a problem with bite-wing receptor placement?
a.
Skip the bite-wing receptor.
b.
Place a cotton roll in the area of the missing tooth or teeth.
c.
Have the patient hold the receptor in position with a hemostat.
d.
Take a periapical receptor with a bite-block instead.
14. According to the text, the identification dot on the film in bite-wing placement
a.
should be oriented “dot down.”
b.
should be oriented “dot distal.”
c.
should be oriented “dot up.”
d.
has no significance.
15. When taking a premolar bite-wing image, in order to follow rule number 5 of the bite-wing
technique, receptor exposure, what must the mesial part of the PID cover?
a.
Both premolars
b.
Both canines
c.
Mandibular canine
d.
Mandibular premolar
16. Where should you position the mesial edge of the receptor when taking a premolar bite-wing
image?
a.
Midline of the maxillary canine
b.
Midline of the mandibular canine
c.
Mesial of the maxillary first premolar
d.
Mesial of the mandibular first premolar
17. Where should you position the mesial edge of the receptor when taking a molar bite-wing
image?
a.
Distal of the maxillary first premolar
b.
Distal of the mandibular first premolar
c.
Midline of the maxillary second premolar
d.
Midline of the mandibular second premolar
18. (1) Overlapped interproximal contacts are caused by improper vertical angulation. (2) To
prevent overlap, the vertical angulation should be adjusted to +10 degrees.
a.
Both statements are true.
b.
Both statements are false.
c.
The first statement is true; the second statement is false.
d.
The first statement is false; the second statement is true.
19. What vertical angulation should you use when adjusting the PID to take bite-wing images
with bite-tabs?
a.
–10 degrees
b.
0 degrees
c.
+5 degrees
d.
+10 degrees
20. The contacts on your dental image are closed. You will need to take a retake. What should
you do in order to achieve open contacts on your retake dental image?
a.
Direct the PID at a +10 degree vertical angulation.
b.
Direct the PID at a −10 degree vertical angulation.
c.
Direct the PID through the contacts of the teeth.
d.
Stabilize the receptor when the patient bites.