Definition: A hyperplasia of bone within the jaws. Also referred to as a dense bony island.
Location: Anywhere throughout the maxilla and mandible.
Edge: Well-defined to Well-localized, continuous with the surrounding bone trabeculae.
Shape: Does not always have a given shape, but may appear round, ovoid or irregular in shape.
Internal: Radiopaque, radiopacity of cancellous bone.
Number: May be single or multiple. If there are multiple sites throughout the maxilla and/or mandible, an underlying systemic condition such as Gardner’s Syndrome should be considered.
(Click image to enlarge)
(with arrow on right and without arrow on left)
(mesial to second molar)
(in edentulous area)