Conservative management of a dentigerous cyst associated with eruption of teeth in a 7-year-old girl: a case report

Dentigerous cysts are benign odontogenic cysts that are related to the crowns of permanent teeth. The lesion in this study was detected in a routine panoramic radiograph that revealed a well-defined osteolytic lesion that measured 2.5 cm in diameter, with the crown of the mandibular permanent second premolar displaced to the lower border of the mandible. The apex of the tooth was still open. The aim of this article was to report the case of a 7-year-old girl with a dentigerous cyst associated with the tooth buds of premolars. The therapeutic approach consisted of extraction of the primary molar and marsupialization of the lesion. After 40 months of follow-up, spontaneous eruption of the impacted premolar was observed. In conclusion, marsupialization can be the first treatment choice for conservative management of dentigerous cysts in pre-adolescents.

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