a benign slowly growing bone tumor
a protruding tumor mass made up of abnormally dense but otherwise normal bone formed in the periosteum
a noncancerous bone tumour
A noncancerous bone tumor.
An exophytic nodular growth of dense cortical bone on or within the mandible or maxilla in locations other than those occupied by tori or exostoses.
An osteoma (plural: "osteomata") is a new piece of bone usually growing on another piece of bone, typically the skull. It is a benign tumor.