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Conservative treatment of the dentigerous cyst: report of two cases Carrera, Manoela; Dantas, Danilo Borges; Marchionni, Antônio Marcio; de Oliveira, Marília Gerhardt & Andrade, Miguel Gustavo Setúbal Abstract The purpose of this paper is to present two cases of dentigerous cyst associated to permanent teeth in children treated by conservative techniques. Dentigerous cyst is the most common developmental cysts of the jaws. Conservative treatment is very effective to this entity and aims at eliminating the cystic tissue and preserving the permanent tooth involved in the pathology. Two techniques are described as conservative treatment for these cysts, marsupialization and the decompression. Two children presented with dentigerous cysts. A female child was affected by a large lesion at the right side of the mandible associated to tooth 45. The other lesion arose at the left maxilla associated to tooth 21 of a male child. Each dentigerous cyst promoted severe tooth displacement. The first patient was treated with decompression and the second with marsupialization. Keywords dentigerous cyst; marsupializtion; decompression; conservative treatment

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