This case study reports bilateral maxillary necrosis in a 72-year-old man due to the occlusion of the left internal maxillary artery, associated with COVID-19 infection. Complaints: Headaches, blurry vision in the left eye, loss of taste, and upper respiratory tract infection Medical history Persistent atrial fibrillation (even after ablation treatment 12 years ago) Medication: Warfarin (5 mg daily) Diabetes mellitus type II Coronary artery disease and hypertension The patient’s condition was rapidly deteriorating; hence he was admitted to the intensive care unit .
##Examination and management## Clinical examinations revealed International normalized ratio: 4.5 COVID-related pneumonia Lack of temporal arteritis, cerebrovascular infarction, bilateral internal carotid stenosis, and deep vein thrombosis Management Venous thromboembolic prophylaxis: Continuation of warfarin, sequential…