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Oral Pathology for the Dental Hygienist 6th Edition By Ibsen RDH MS – Test Bank

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  • ISBN-10 ‏ : ‎ 1455703702
  • ISBN-13 ‏ : ‎ 978-1455703708

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Oral Pathology for the Dental Hygienist 6th Edition By Ibsen RDH MS – Test Bank

Ibsen: Oral Pathology for the Dental Hygienist, 6th Edition

Chapter 8: Nonneoplastic Diseases of Bone

Test Bank

MULTIPLE CHOICE

1. 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.

ANS: D

Feedback
A Periapical cemento-osseous dysplasia does not represent a neoplasm.
B The periapical cemento-osseous dysplasia lesion is asymptomatic and is discovered on routine radiographic examination. It occurs most commonly in the anterior mandible of patients older than 30 years of age.
C Teeth in area affected by periapical cemento-osseous dysplasia are vital unless they are coincidentally carious or have been traumatized.
D Correct! Early lesions of periapical cemento-osseous dysplasia are radiolucent, whereas older lesions become more radiopaque.

REF: 277

2. 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

ANS: B

Feedback
A Periapical cemento-osseous dysplasia occurs most commonly in the anterior mandible.
B Correct! Focal cemento-osseous dysplasia 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.
C Florid cemento-osseous dysplasia typically affects more than one quadrant of the maxilla and mandible, often in the posterior area.
D Monostatic fibrous dysplasia commonly affects the mandible or maxilla, and the maxilla is more frequently involved than the mandible.

 

REF: 277

3. 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.

ANS: D

Feedback
A No treatment is necessary for periapical cemento-osseous dysplasia once the condition is recognized.
B Once a definitive diagnosis has been established for focal cemento-osseous dysplasia, no further treatment is necessary.
C Treatment for florid cemento-osseous dysplasia is often unnecessary. However, in an edentulous patient the sclerotic masses may perforate the mucosa, resulting in a communication between the oral environment and the underlying bone. This may lead to osteomyelitis requiring surgical intervention.
D Correct! Surgical treatment would most likely be recommended for a patient with fibrous dysplasia. Fibrous dysplasia is treated surgically by recontouring the affected bone for cosmetic reasons. No treatment exists for severe and progressive polyostotic fibrous dysplasia.

REF: 280

4. 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.

ANS: D

Feedback
A Fibrous dysplasia is characterized by replacement of bone with abnormal connective tissue with varying amounts of calcification, rather than necrosis and sloughing of bony sequestra.
B Fibrous dysplasia is characterized by replacement of bone with abnormal connective tissue with varying amounts of calcification.
C Fibrous dysplasia is characterized by replacement of bone with abnormal connective tissue with varying amounts of calcification.
D Correct! Fibrous dysplasia is characterized by replacement of bone with abnormal connective tissue with varying amounts of calcification.

REF: 279

5. 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. c. eccentric forces on teeth.
b. mesenchymal cell function. d. nutrition.

ANS: B

Feedback
A One of the most widely accepted theories for the unusual fibrous proliferation seen with fibrous dysplasia is that it is the result of abnormal mesenchymal cell function, not oxygenation in tissue.
B Correct! One of the most widely accepted theories for the unusual fibrous proliferation seen with fibrous dysplasia is that it is the result of abnormal mesenchymal cell function.
C One of the most widely accepted theories for the unusual fibrous proliferation seen with fibrous dysplasia is that it is the result of abnormal mesenchymal cell function, not eccentric forces on teeth.
D One of the most widely accepted theories for the unusual fibrous proliferation seen with fibrous dysplasia is that it is the result of abnormal mesenchymal cell function, not nutrition.

REF: 279

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