Preeruptive idiopathic coronal resorption: a case report.

A bitewing radiograph obtained from a general dentist revealed an intracoronal radiolucency within an unerupted immature permanent second molar. This rare entity was successfully treated by surgical exposure and vital pulp therapy. Apexogenesis was confirmed radiographically and a permanent restoration placed at the time of eruption. Possible etiologies for this condition are discussed and recommendations for treatment are proposed.