Radiolucent lesion of an unerupted mandibular molar.

Klambani M; Lussi A; Ruf S

doi:10.1016/j.ajodo.2004.01.020

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Journal article

Radiolucent lesion of an unerupted mandibular molar.

Klambani M School of Dental Medicine, University of Berne, Berne, Switzerland.
Lussi A
Ruf S

2005-01-12

Published in:

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. - 2005

English A coronal radiolucent lesion of an unerupted and partially developed mandibular second molar was coincidentally found during a routine radiographic orthodontic examination of a generally healthy 9-year old girl. The size of the lesion increased continuously during a 2-year observation period. Histologic examination after extracting the tooth proved the lesion to be an idiopathic external coronal resorption. In a review of the literature, we found no original research on the subject. However, the number of case reports suggests that idiopathic external coronal resorptions are quite common in young patients. Their etiology, however, remains unclear. The case history, histologic findings, differential diagnoses, and possible treatment approaches suggested in the literature are described.

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