Dentigerous Cyst Associated With a Transmigrated Canine of the Mandibular Symphysis: A Case Report

Dentigerous Cyst Associated With a Transmigrated Canine of the Mandibular Symphysis: A Case Report

Abstract Introduction Transmigration is a infrequent phenomenon seen almost exclusively in the mandibular canines. Transmigration, is an intraosseous displacement of an unerupted teeth in which a movement phenomenon causes it to cross midline by more than half. Dentigerous cyst(DC) is one of the most common types of odontogenic cyst. Accumulation of fluid among the reduced enamel epithelium and the tooth crown is suggested as the possible etiopathogenesis of this particular cyst by most authors. Clinically, it is asymptomatic but can cause cortical bone expansion. DC is usually associated with an unerupted or developing teeth bud, and is found most often associated ith crowns of mandibular third molars followed by maxillary canines and then maxillary third molars. Early detection of a transmigrant tooth is essential for the treatment, planning and prevention of more complicated situations. Case Report An 30-year-old male was admitted to our department with a complaint of moderate pain in the left canine region of the mandible. On an intra-oral examination, we noted that the mandible left canine were clinically unerupted. The panoramic radiograph and 3D computed tomography revealed that the left mandibular canine had migrated to left side crossing the midline below the apices of the incisors, and showed pericoronal radiographic changes suggestive of cystic degeneration. DC was enucleated and the associated impacted teeth extracted under general anesthesia. Conclusion As a result is therefore important to perform radiographic-clinic examination of all unerupted teeth.

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