Table 1. The classification of ameloblastoma according to the WHO Classification of Head and Neck Tumors, published in 2017.

Benign epithelial odontogenic tumors	Frequency	Histological variants
Ameloblastoma	91%	Follicular, Plexiform, Acanthomatous, Granular Cell, Basal Cell, Keratopapillary, Desmoplastic
Ameloblastoma, unicystic type	6%	Luminal, Mural
Ameloblastoma, extraosseous/peripheral type	2%
Metastasizing ameloblastoma	1%