Chapter 8 DENT 1060

Question 1

A 48-year-old black woman has multiple asymptomatic, radiopaque masses in the mandible and maxilla. No expansion of bone is noted. The most likely diagnosis is:

a. central cementifying fibromas
b. periapical cemento-osseous dysplasia
c. florid cemento-osseous dysplasia
d. focal cemento-osseous dysplasia

Answer 1

c. florid cemento-osseous dysplasia

Question 2

All of the following are examples of benign fibro-osseous lesions EXCEPT:

a. fibrous dysplasia
b. periapical cemento-osseous dysplasia
c. central ossifying fibroma
d. odontoma

Answer 2

d. odontoma

Question 3

Which of the following is characterized by precocious puberty in females?

a. monostotic fibrous dysplasia
b. Albright syndrome
c. Jaffe-Lichtenstein type of fibrous dysplasia
d. Periapical cemento-osseous dysplasia

Answer 3

b. Albright syndrome

Question 4

Periapical cemento-osseous dysplasia is characteristically located in the:

a. posterior mandible
b. posterior maxilla
c. anterior maxilla
d. anterior mandible

Answer 4

d. anterior mandible

Question 5

Which of the following diseases are associated with cafe au lait spots?

a. polyostotic fibrous dysplasia
b. Paget disease
c. monostotic fibrous dysplasia
d. focal cemento-osseous dysplasia

Answer 5

a. polyostotic fibrous dysplasia

Question 6

What is the name of the type of fibrous dysplasia that involves the maxilla and adjacent bones?

a. facial
b. Jaffe
c. craniofacial
d. monostotic

Answer 6

c. craniofacial

Question 7

Bone resorption, osteoblastic repair, loss of the lamina dura, hypercementosis, and cotton-wool radiopacities are characteristics of:

a. Albright syndrome
b. Letterer-Siwe disease
c. Paget disease
d. fibrous dysplasia

Answer 7

c. Paget disease

Question 8

The most characteristic radiographic appearance of fibrous dysplasia is described as a:

a. cotton-wool appearance
b. ground glass appearance
c. well-circumscribed radiopacity
d. well-circumscribed radiolucency

Answer 8

b. ground glass appearance

Question 9

All of the following are histologic features seen in Paget disease except one. Which one is the exception?

a. osteoblasts and osteoclasts
b. bone with prominent irregular dark lines
c. well-vascularized fibrous connective tissue
d. pleomorphic nuclei and atypical mitotic figures

Answer 9

d. pleomorphic nuclei and atypical mitotic figures

Question 10

Which of the following is diagnosed on the basis of a characteristic radiographic appearance?

a. Paget disease
b. osteomalacia
c. florid cemento-osseous dysplasia
d. focal cemento-osseous dysplasia

Answer 10

c. florid cemento-osseous dysplasia

not diagnosed: b. osteomalacia

Question 11

In patients with fibrous dysplasia, which of the following is the only recommended treatment modality?

a. surgery
b. radiation therapy
c. chemotherapy
d. antibiotics

Answer 11

a. surgery

Question 12

Which of the following is helpful in the diagnosis of Paget disease?

a. serum alkaline phosphatase
b. serum vitamin D
c. serum calcium
d. urinalysis

Answer 12

a. serum alkaline phosphatase

Question 13

Osteomalacia is usually caused by a deficiency of:

a. vitamin B12
b. vitamin A
c. alkaline phosphatase
d. calcium

Answer 13

d. calcium

Question 14

Osteomalacia in children is called:

a. rickets
b. fibrous dysplasia
c. osteogenesis imperfecta
d. Albright syndrome

Answer 14

a. rickets

Question 15

Which of the following diseases may be associated with malignant transformation into an osteosarcoma?

a. Paget disease
b. periapical cemento-osseous dysplasia
c. focal cemento-osseous dysplasia
d. florid cemento-osseous dysplasia

Answer 15

a. Paget disease

Question 16

Which of the following diseases demonstrates multiple fragments of gritty material when it is removed from the jaws?

a. periapical cemento-osseous dysplasia
b. focal cemento-osseous dysplasia
c. florid cemento-osseous dysplasia
d. central cemento-osseous dysplasia

Answer 16

b. focal cemento-osseous dysplasia

Question 17

Leontiasis ossea or osteitis deformans are two other names for:
a. rickets
b osteomalacia
c. fibrous dysplasia
d. Paget disease

Answer 17

d. Paget disease

Question 18

The central giant cell granuloma:

a. may occur on the tongue
b. may present as a multilocular radiolucency
c. occurs primarily in men older than 60 years of age
d. is histologically the same as a periapical granuloma

Answer 18

b. may present as a multilocular radiolucency

Question 19

Periapical cemento-osseous dysplasia is also known as a(n):

a. odontoma
b. cementoblastoma
c. cementifying fibroma
d. cementoma

Answer 19

d. cementoma