Non-Neoplastic Diseases of Bone

Question 1

Periapical Cemento-Osseous Dysplasia

Answer 1

common, affects periapical of anterior (sextant 5) mandible, radiolucent

Question 2

Fibrous Dysplasia

Answer 2

normal bone replaced by fibrous connective tissue. can be painful
initial complaint = face asymmetry, swelling
x-rays appear “ground glass”

Question 3

Monostotic vs Polyostotic

Answer 3

1 bone affected (85%) vs

Multiple bones affected (25%)

Question 4

Paget’s Disease (Oseitis Deformans)

Answer 4

chronic metabolic bone disease
resorption > osteoblast > remineralization
predilection = men 50+, maxilla
several stages

Question 5

Paget’s Disease: Clinically

Answer 5

jaw enlargement, diastemas, dentures no longer fit

radiographs = “cotton wool”