Deck 8: Nonneoplastic Diseases of Bone

Question 1

"Ground glass" is the classic radiographic description of ______________

A) osteomalacia.
B) Paget disease of bone.
C) fibrous dysplasia.
D) florid cemental dysplasia.

Answer 1

fibrous dysplasia.

Question 2

Paget disease of bone:

A) typically occurs in children under the age of 18.
B) is painless.
C) may reveal a "cotton-wool" appearance on radiographs.
D) results in shrinkage of affected bone.

Answer 2

may reveal a "cotton-wool" appearance on radiographs.

Question 3

Which of the following statements is true of osteomalacia?

A) It is the result of a deficiency in phosphate.
B) In adults it may be related to various problems such as malabsorption syndrome.
C) It may be treated with the use of antacids.
D) Accelerated tooth eruption is associated with osteomalacia.

Answer 3

In adults it may be related to various problems such as malabsorption syndrome.

Question 4

Characteristics of monostatic fibrous dysplasia include that:

A) it is commonly diagnosed in middle-age women.
B) the expanding nature of the lesion may lead to malocclusion, tipping, or displacement of adjacent teeth.
C) it involves a painful swelling or bulging of the buccal plate of the maxilla or mandible when seen orally.
D) it involves multiple bones.

Question 5

When osteomalacia occurs in young children, it is usually caused by a nutritional deficiency in vitamin __.

A) A
B) D
C) E
D) K

Question 6

Surgical treatment would most likely be recommended for a patient with:

A) periapical cemento-osseous dysplasia.
B) focal cemento-osseous dysplasia.
C) florid cemento-osseous dysplasia.
D) fibrous dysplasia.

Question 7

Which of the following types of lesions typically arises in the posterior mandible and appears as an isolated, well-delineated radiolucent to radiopaque lesion that is less than 1.5 cm. in size?

A) Periapical cemento-osseous dysplasia
B) Focal cemento-osseous dysplasia
C) Florid cemento-osseous dysplasia
D) Monostatic fibrous dysplasia

Question 8

Laboratory evaluation reveals that the serum __________________ level is significantly elevated in active Paget disease.

A) alkaline phosphatase
B) platelet
C) hematocrit
D) leukocyte

Question 9

__________________ fibrous dysplasia is characterized by endocrine abnormalities, including precocious puberty in females and stunting or deformity of skeletal growth in both sexes as a result of early epiphyseal plate closure.

A) Craniofacial
B) Jaffe-Lichtenstein type
C) Albright syndrome
D) Monostotic

Question 10

One of the most widely accepted theories for the unusual fibrous proliferation seen with fibrous dysplasia is that it is the result of abnormal:

A) oxygenation in tissue.
B) mesenchymal cell function.
C) eccentric forces on teeth.
D) nutrition.

Question 11

Café au lait skin macules are associated with:

A) monostotic fibrous dysplasia.
B) polyostotic fibrous dysplasia.
C) Paget disease of bone.
D) osteomalacia.

Question 12

Mosaic bone may be observed in a patient with Paget disease as a result of:

A) lack of trabeculae.
B) prominent reversal lines resulting from resorption and deposition of bone.
C) the presence of "giant cells."
D) a "ground glass" appearance.

Question 13

Fibrous dysplasia is characterized by:

A) necrosis and sloughing of bony sequestra.
B) replacement of bone with normal fibrous connective tissue with no calcification.
C) replacement of bone with abnormal connective tissue with no calcification.
D) replacement of bone with abnormal connective tissue with varying amounts of calcification.

Question 14

Which of the following statements is true of periapical cemento-osseous dysplasia?

A) It is a neoplasm.
B) The lesion is painful and occurs most often in the posterior maxilla.
C) Teeth in the area are usually devital.
D) Older lesions are primarily radiopaque.