Spread of Infection Flashcards
Routes of Spread of Odontogenic Infections
- Maxillary abscesses
- Mandibular abscesses
How infection spread into submandibular space?
- normally wisdom teeth, near mylohyoid line
Cavernous sinus thrombosis
Upper anterior teeth spread
- lip
- nasolabial region
- lower eyelid
Upper lateral incisor
- palate (less common)
Upper premolars & molars
- cheek
- infra-temporal region
- maxillary antrum
- palate
Intraoral labial abscess
Infraorbital spread
Buccal space spread
Lower anteriors
- mental space
- submental space
Lower premolars & molars
- buccal space
- submasseteric space
- sublingual space
- submandibular space
- lateral pharyngeal space
Submental spread
Submental sinus tract to skin
- cause of lower anterior incisors
Submandibular spread
Buccal/ Submandibular Spread
Surgical Management
- drainage (extra oral/ intra oral)
- removal of source of infection (immediate/ delayed)
- AB therapy (toxicity, desirability, MH)
Ludwig’s Angina
- bilateral cellulitis of sublingual and submandibular spaces
Features of Ludwig’s Angina
I/O
- raised tongue
- difficulty breathing
- difficulty swallowing
- drooling
E/O
- diffuse redness and swelling bilaterally in submandibular region
Systemically
- raised HR
- raised resp rate
- raised temp
- raised WCC
NEWS
National Early Warning Score
AVPU
A alert
V responds to verbal commands
P responds to pain
U completely unresponsive
