
Cementoblastoma is a true cemental neoplasm characterized by proliferation of cementum-like tissue and in almost all cases tends to be associated with an erupted permanent tooth, most often the first molar. The lesion appears as a well defined bulbous periapical radiopacity with a well-defined radiolucent band with intact crown, external resorption of its roots and amorphous pattern of the trabeculae. Because of the characteristics of cementoblastoma, the CBCT images are a resource of fundamental importance for evaluation of pathognomonic features.