Trauma sinus



Features

  • Oro-antral communication mainly due to an extraction of closely related upper posterior teeth.
  • Main radiographic features: Break in the continuity of the floor- characteristic features of acute or chronic sinusitis in the antrum.
  • Fractures of the maxillo-facial skeleton
  • Main radiographic features: Break in the continuity of one or more of the antral walls depending on the type of fracture- Opacity or fluid level within the antral cavity-
  • The orbital blow-out fracture classically produces a tear-drop-shaped opacity in the upper part of the antrum.

Cases

 

Orbital blow-out fracture.



Oro-antral communication caused by extraction of the left wisdom tooth.



Left antrum: Fracture of the lateral wall.