What is meant by odontogenic?
In dental radiology, the terms odontogenic and non-odontogenic are commonly used. The former basically meants related to the dentition (teeth) and later not so. The terms are often used in classifying lesions. In this case odontomas are commonly associated with unerupted teeth and composed of teeth elements - and so is an odontogenic tumour.
How are odontomas classified?
Odontomas may be compound or complex. In the complex type no identifiable dental tissue is evident. In the compound type, tooth elements, such as enamal and cementum can be separately identified within.
Dense well circumscribed lesion in the right maxilla, forming the floor of the maxillary sinus, with several discernable odontogenic elements within. The adjacent teeth roots are being splayed.