[Dentigerous cysts. Developmental aspects. Apropos of 3 cases].

Dentigerous cysts, also called follicularor corono-dental cysts, are malformative odontogenic cysts in the WHO classification of odontogenic tumors. We review the general characteristics of these frequent odontogenic tumors which always occur in associated with an included tooth. Diagnosis is based on clinical features, X-ray findings and pathology results. We report the evolutive aspect in three patients of different ages.