Deck 24: Bone and Other Lesions

Question 1

One way to differentiate a retained root tip radiographically is by the appearance of a
_________________.

Answer 1

pulp canal

Question 2

Implants will appear _____________ on radiographs.

Answer 2

radiopaque

Question 3

A slowly growing periapical cyst will have as its borders a ___________.

Answer 3

hyperostotic line

Question 4

Fractures of the mandible will:

A)not be seen on periapical films
B)appear as radiopaque lines
C)appear as radiolucent lines
D)not be seen during the first 24 hours

Question 5

The best projection to visualize a sialolith of the submandibular duct is a:

A)mandibular molar periapical projection
B)lateral oblique projection
C)posterior anterior projection
D)right-angle mandibular occlusal projection

Question 6

Extraction sockets may be radiographically evident:

A)in the bone
B)up to 6 months after surgery
C)initially as radiolucent areas
D)all of the above

Question 7

A malignant tumor of bone will appear _________ on radiographs.

Question 8

The radiographic appearance of the skull in Paget's disease will show:

A)a decrease in size
B)an increase in size
C)a cotton wool bony appearance
D)none of the above

Question 9

Slow-growing lesions, such as cysts, will usually __________ teeth.

Question 10

A malignant lesion will usually have an ____________ border.

Question 11

An osteoma, demonstrating an increase in the density of the bone, would appear:

A)radiolucent
B)radiopaque
C)mixed lesion
D)none of the above

Question 12

Bitewing projections cannot be used to detect:

A)periapical pathology
B)condensing osteitis
C)root fracture
D)all of the above

Question 13

An intrabony lesion that on a right-angle occlusal projection shows invasion of the buccal cortex is probably:

A)benign
B)infectious
C)malignant
D)developmental

Question 14

A cyst, demonstrating a decrease in density, would appear:

A)radiolucent
B)radiopaque
C)mixed lesion
D)none of the above