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Volume 14, Number 2, June 2002

Entrapment of the Inferior Dental Nerve by a 3-Rooted Mandibular Third Molar — Case Report

Ong Keat-Siong, Loh Hong-Sai
Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, National University of Singapore, Singapore


Abstract
Three-rooted mandibular molars occur in certain races and their presence may imply clinical complications. A case is reported of an unusual anatomical relation of the inferior dental nerve with the extra root of a mandibular third molar, which was displaced by an associated dentigerous cyst. Intraoperatively, it was discovered that the nerve was situated close to the curved, extra distolingual root, which had to be surgically divided to release the nerve. Racial, clinical, and radiographic features of this morphological form, together with its clinical relevance, are discussed.

Key words: Cysts, Radiography, dental, Tooth, impacted, Tooth root

Asian J Oral Maxillofac Surg. 2002;14:105-108.
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