Chapter 8

Question 1

Dysplasia

Answer 1

Abnormal and disordered production of cementum and bone

Not to be confused with dysplasia in context to epithelium

Question 2

Benign Fribro-Osseous lesions

Answer 2

Periapical cemento-osseous dysplasia
Focal cemento-osseous dysplasia
Florid cemento-osseous dysplasia
Fibrous dysplasia

Question 3

Periapical cemento-osseous dysplasia

Answer 3

Common disease of unknown cause that affect periapical bone
Most commonly on mandible anterior
Predilection: Black women
Teeth in the affected area are vital

Question 4

Florid-cemento osseous dysplasia

Answer 4

A condition of disordered cementum and bone development
Usually occurs in black women over 40
Affect more than one quadrant

Question 5

Masses of irregular opacification are noted that are composed of dense sclerotic bone, cementum, or both

Answer 5

Florid cemento-osseous dysplasia

Question 6

Asymptomatic fibro-osseous lesion

Answer 6

Focal cemento-osseous dysplasia

Question 7

Focal cemento-osseous dysplasia

Answer 7

Occurs in women between 30 and 50
Caucasian individuals
Occurs in posterior mandible
Isolated well-delineated radiolucent to radiopaque lesion
Less than 1.5 cm in size

Question 8

Replacement of bone with abnormal fibrous connective tissue interspersed with varying amounts of calcification

Answer 8

Fibrous dysplasia

Question 9

Fibrous dysplasia

Answer 9

Patient will experience painless, gradual, unilateral enlargement of the maxilla or mandible
Ground glass radiopaque appearance of the lesion radiographically

Question 10

Types of fibrous dysplasia

Answer 10

Monostotic fibrous dysplasia

Polyostotic fibrous dysplasia

Question 11

Involvement of a single bone

Answer 11

Monostotic fibrous dysplasia

Question 12

Monostotic fibrous dysplasia

Answer 12

Most common form of fibrous dysplasia
Maxilla more frequently involved
Most commonly in children and young adults
Painless swelling or bulging of the buccal plate

Question 13

Involvement of more than one bone

Answer 13

Polyostotic fibrous dysplasia

Question 14

Polyostotic fibrous dysplasia

Answer 14

Typically occurs in children, female predilection
When long bones are involved, they may exhibit bowing and an associated dull aching pain
Patients may have skin lesions appearing as light-brown macules called cafe au lait spots

Question 15

Polyostotic fibrous dysplasia radiographically

Answer 15

Diffuse radiopacity looking like ground glass

Question 16

Types of polyostotic fibrous dysplasia

Answer 16

Craniofacial fibrous dysplasia
Jaffe types
Albright syndrome

Question 17

Involves the maxilla with extension into the sinuses and adjacent zygoma, sphenoid, and occipital bones

Answer 17

Craniofacial fibrous dysplasia

Question 18

Involves multiple bones along with cafe au lait macules on the skin

Answer 18

Jaffe types

Question 19

Characterized by endocrine abnormalities, precocious puberty in females, stunting or deformity of skeletal growth in both sexes as a result of premature closing of the epiphyseal plate, cafe au lait spots

Answer 19

Albright syndrome

Question 20

A chronic metabolic bone disease
Commonly in men over age 50
Enlargement of affected bone

Answer 20

Paget disease of bone

Question 21

Paget disease of bone

Answer 21

Resorption, osteoblastic repair, and remineralization of involved bone
Maxilla more commonly affected. Other bones may also be affected including femur or pelvis

Question 22

Paget disease of bone radiographically

Answer 22

Cotton wool

Question 23

Serum alkaline phosphate level is significantly elevated in active disease

Answer 23

Paget disease of bone

Question 24

Aneurysmal bone cyst

Answer 24

Pseudocyst
Blood-filled spaces surrounded by multinucleate giant cells and fibrous connective tissue
Radiographic: Honeycomb or soap bubbles

Question 25

Osteomalacia

Answer 25

Result of vitamin D deficiency and induced by certain tumors
Rickets
Hypophosphatemic vitamin D-resistant ricketts

Question 26

Clinical characteristics of osteomalacia

Answer 26

Delayed tooth eruption
Peridontal disease
Pathologic fractures