Em Cirurgia Oral, Cirurgia Ortognática, Dente Incluso

Lilian Caldas Quirino, Luis Pagotto, Décio dos Santos Pinto, Fábio Daumas Nunes, Juliana Seo
Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Volume 117, Issue 2, February 2014, Page e154
Impact Factor: 1,495
DOI: 10.1016 / j.oooo.2013.12.023

Abstract:

Ectopic teeth erupting in the maxillary sinus are rarely reported. Woman, 38, demonstrated radiographic evidence of ectopic tooth in the right maxillary sinus that had been growing for 8 years. Radiographic examination showed a radiopaque mass linked to the lateral wall of the maxillary sinus in intimate contact with the third molar’s root but causing no sinus pathology or obstruction. Surgical management via Caldwell-Luc access was performed under general anesthesia. The ectopic third molar with the calcified mass was easily removed from the bone wall with a chisel. Histopathological examination showed dental tissue fragment displaying mostly dentinal tissue, basophilic line adjacent to the root, bone tissue, and amorphous eosinophilic mineralized mass. The patient is being followed-up. The causes of eruption of a tooth into the maxillary sinus are unclear, but several hypotheses are offered in the literature, such as developmental disturbances (cleft palate), trauma, cyst, infection, genetic factors, and dense bone.

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