This fact is from Odontogenic Infections & Fascial Spaces in Oral & Maxillofacial Surgery. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Ludwigs angina = bilateral submandibular + sublingual + submental = emergency
Most dangerous complication = airway obstruction
Canine space = dangerous = angular vein connects to cavernous sinus
Cavernous sinus thrombosis = life threatening
Buccal space = most commonly involved
Masticator space = masseteric + pterygoid + temporal
Incision and drainage principle = dependent drainage.