Idiopathic osteosclerosis (dense bone island) Characteristics An area of dense bone in the mandible. It is always asymptomatic and discovered incidentally during radiographic examination. No treatment is necessary. Differential diagnosis Condensing osteitis Odontoma (radiopacity) Osteoma and exostoses Root remnants Cases Case 1Case 1 Different cases of Idiopathic osteosclerosis (dense bone island)