Chapter 35: Interpretation of Trauma and Pulpal and Periapical Lesions
Iannucci: Dental Radiography, 5th Edition
MULTIPLE CHOICE
1. Root fractures occur most often in the _______________ region.
a.
maxillary central incisor
b.
mandibular central incisor
c.
maxillary molar
d.
mandibular molar
2. Your patient thinks he fractured his mandible. Which image would you take to evaluate for a
fracture?
a.
Occlusal
b.
Periapical
c.
Bite-wing
d.
Panoramic
3. Which of the following describes luxation?
a.
The atypical movement of teeth
b.
The fragments of bone following traumatic injury
c.
Hemorrhage, or bleeding
d.
Swelling or edema
4. Your patient had tooth #8 displaced lingually when she fell, and her face impacted the
sidewalk. Which type of image should you take to evaluate the tooth?
a.
Bite-wing
b.
Periapical
c.
Occlusal
d.
Panoramic
5. The term used for a tooth that is totally dislodged from the alveolar bone is
a.
luxation.
b.
intrusion.
c.
extrusion.
d.
avulsion.
6. Absorption of a tooth that is occurs from the inside out is called ___________ resorption.
a.
physiologic
b.
pathologic
c.
external
d.
internal
7. _____________ is a diffuse calcification of the pulp chamber and pulp canals of teeth.
a.
Pulpal sclerosis
b.
Pulpal obliteration
c.
Pulp stones
d.
Internal resorption
8. Teeth that exhibit pulpal obliteration
a.
require extraction.
b.
require endodontic therapy.
c.
require occlusal restoration.
d.
do not require treatment.
9. Pulp stones _________ cause symptoms and _________ require treatment.
a.
do; do
b.
do; do not
c.
do not; do
d.
do not; do not
10. Your patient is complaining of pain around tooth #30. A dental image reveals a radiolucent
area on the side of the root. You cannot see the lamina dura. Which of the following best
describes what your patient is experiencing?
a.
Hypercementosis
b.
Condensing osteitis
c.
Periapical cyst
d.
Periodontal abscess
11. Periapical cysts account for ___________ of all cysts in the oral region.
a.
10% to 20%
b.
20% to 25%
c.
25% to 50%
d.
50% to 70%
12. A chronic periapical abscess is
a.
painful.
b.
usually asymptomatic.
c.
sensitive to percussion.
d.
sensitive to heat.
13. The periapical abscess
a.
refers to a tooth with an infection in the pulp.
b.
is a purulent inflammation within the periodontal tissues.
c.
is treated with deep scaling and debridement.
d.
when it heals, the tooth is still vital.
14. Your patient’s dental image reveals a distinct radiopaque area below the apex of tooth #18,
which is a nonvital tooth and has had chronic pulpitis. Your patient most likely has
a.
condensing osteitis.
b.
periodontal abscess.
c.
sclerotic bone.
d.
periapical abscess.
15. Condensing osteitis is seen ________ the apex of a __________ tooth.
a.
below; vital
b.
below; nonvital
c.
above; vital
d.
above; nonvital
16. Condensing osteitis _______ vary in size and shape and _________ appear to be attached to
the tooth root.
a.
may; does
b.
may; does not
c.
may not; does
d.
may not; does not
17. The treatment for condensing osteitis is
a.
extraction.
b.
root canal therapy.
c.
osseous recontouring.
d.
no treatment is necessary.
18. ______________ is the most common periapical radiopacity observed in adults.
a.
Hypercementosis
b.
Sclerotic bone
c.
Condensing osteitis
d.
Pulpal sclerosis
19. Condensing osteitis most frequently involves the _______________ tooth.
a.
mandibular premolar
b.
mandibular molar
c.
maxillary premolar
d.
maxillary molar
20. Sclerotic bone is seen below the apices of ________________ teeth.
a.
vital, carious
b.
vital, noncarious
c.
nonvital, carious
d.
nonvital, noncarious