Classification and nomenclature of fibro-osseous lesions.

The World Health Organization's (WHO) 4th edition of the “Classification of Head and Neck Tumours,” published in 2017, included not only tumours but also other lesions, such as cysts, 1 which had been excluded in the previous edition.2 Furthermore, it introduced ‘fibro-osseous lesion’ (FOL) as a lesion group for the first time into the WHO classif ication of odontogenic and maxillofacial bone tumours.1 There are 3 recognized FOLs: fibrous dysplasia (FD), cemento-ossifying fibroma (COF), and cemento-osseous dysplasia (COD).
Source: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics - Category: ENT & OMF Authors: Source Type: research