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A rare presentation of dens in dente in the mandibular third molar with extra oral sinus

Author(s): Bansal Monika | Singh N | Singh Anand

Journal: Journal of Oral and Maxillofacial Pathology
ISSN 0973-029X

Volume: 14;
Issue: 2;
Start page: 80;
Date: 2010;
Original page

Keywords: Dense in dente | extra oral sinus | mandibular molars

The unusual case of dense in dente in mandibular molar area with extra oral sinus in a 30-year-old female is presented. The chief complaint of the patient was wound formation and pus discharge from the right side of lower jaw for many years. Clinical examination revealed extra oral sinus and mild swelling in vestibular region opposite the right mandibular molars. On radiographical examination, right mandibular third molar had bulbous root associated with periapical radiolucency. It appeared that there was a tooth within a tooth and the invagination extended nearly to the root apex. A clinical diagnosis of dense in dente Type III was confirmed by stereomicroscopy of ground section of the tooth. Extra oral sinus healed after extraction of the mandibular third molar within a month.
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