This document discusses maxillofacial infection, including: - The fascial spaces of the maxillofacial region and how infection can spread between them. - Neurological complications of maxillofacial infection, especially cavernous sinus thrombosis which can cause issues like sensory deficits, eye movement problems, and increased intracranial pressure. - Potentially fatal complications if the infection spreads to dangerous areas like the mediastinum or retroperitoneal spaces.