ABSTRACT _BACKGROUND:_ Descending necrotizing mediastinitis [DNM] is a serious complication of odontogenic infections, being associated with a high mortality rate. The diagnosis, classification, and management depend on computed tomography [CT] findings. Incision, drainage, and debridement represent the principal management. This study aimed to assess the prognosis in odontogenic DNM. _METHODS:_ The DNM type I was managed by transcervical mediastinal drainage, ... إقراء المزيد