Peripheral epithelial odontogenic tumors are the extraosseous equivale
nts of the much more often encountered central gnathic odontogenic tum
ors. The peripheral tumors arise in the mandibular or maxillary gingiv
a from the surface mucosa or dental lamina rests in the submucosa. Ame
loblastoma is the most common histologic type. It, like all other peri
pheral epithelial odontogenic tumors, follows a benign, nonaggressive
clinical course,