摘要: The maxilla rarely undergoes necrosis due to its rich vascularity. Maxillary can occur bacterial infections such as osteomyelitis, viral herpes zoster or fungal mucormycosis, aspergillosis etc. Mucormycosis is an opportunistic fulminant infection, which mainly infects immunocompromised patients. infection begins in the nose and paranasal sinuses inhalation of spores. spread orbital intracranial structures either by direct invasion through blood vessels. fungus invades arteries leading thrombosis that subsequently causes hard soft tissues. We report a case maxillary mucormycosis uncontrolled diabetic patient emphasize early diagnosis this potentially fatal infection. briefly discuss different diseases lead review current concepts management mucormycosis. Early prompt treatment reduce mortality morbidity lethal