Ectopic eruption of a mandibular lateral incisor.

This article illustrates an unusual situation, the ectopic eruption of the mandibular permanent lateral incisor, through the case report of a patient with a Class I malocclusion at an early stage of the mixed dentition. The article is focused on the diagnosis of the ectopic eruption and advocates treatment with an active orthodontic therapy at the early stage of the mixed dentition, before the eruption of the permanent cuspid.