Table 1.

Classification of benign fibro-osseous lesions of the craniofacial complex

I. Bone dysplasias

a. Fibrous dysplasia

i. Monostotic

ii. Polyostotic

iii. Polyostotic with endocrinopathy (McCune-Albright)

iv Osteofibrous dysplasiaa

b. Osteitis deformans

c. Pagetoid heritable bone dysplasias of childhood

d. Segmental odontomaxillary dysplasia

II. Cemento-osseous dysplasias

a. Focal cemento-osseous dysplasia

b. Florid cemento-osseous dysplasia

III. Inflammatory/reactive processes

a. Focal sclerosing osteomyelitis

b. Diffuse sclerosing osteomyelitis

c. Proliferative periostitis

IV. Metabolic Disease: hyperparathyroidism

V. Neoplastic lesions (Ossifying fibromas)

a. Ossifying fibroma NOS

b. Hyperparathyroidism jaw lesion syndrome

c. Juvenile ossifying fibroma

i. Trabecular type

ii. Psammomatoid type

c. Gigantiform cementomas

^aOsteofibrous dysplasia is found in the fibula and tibia only