57 Jaw bone conditions: Fibro-osseous lesions
Box 57.1 Fibro-osseous lesions.
Cemento-osseous dysplasia (osseous dysplasia)
Paget disease of bone
Fibro-osseous lesions are a group of conditions characterized by replacement of normal bone by a proliferating fibrous stroma which forms varying amounts of woven bone spicules and cementum-like material (Box 57.1).
Osseous dysplasia, cemento-osseous dysplasia (COD), periapical cemental or cemento-osseous dysplasia (PCD)
Osseous dysplasia is a fibro-osseous lesion more common in females of African heritage during fourth and fifth decades, presenting with radiolucent and radiopaque lesions at the apices of vital teeth (periapical type), which may be isolated (focal) or multi-quadrant (florid). Lesions, which usually involve the m/>