Fascial Spaces: Pathways - Herring Flashcards
typical sources of infections in the buccal space
maxillary molars & premolars
mandibular molars & premolars
what is the primary space the buccal space communicates with
canine space
typical source of infections in the canine (infra-orbital) space
anterior maxillary teeth - typically canines
what 2 spaces does the canine space typically communicate with
buccal space
cavernous sinus
odontogenic infection does not normally enter what space
parotid space
The parotid gland can be affected by infection spread along what?
parotid duct
if you see swelling with parotid space, what should you think and not think?
do NOT think dental infection, think cancer or other space occupying lesion
maxillary 3rd molars typically have roots in the ___________ if long enough
maxillary sinus
typical sources of infections in the masticator space
mandibular 3rd molars - #1 offender
1st and 2nd maxillary and mandibular molars & premolars
what spaces does the masticator space typically communicate with
parapharyngeal space
sublingual space
submandibular space
cavernous sinus
orbit
the masticator space is pretty close to what space
parapharyngeal
the masticator space communicates with the sublingual space via the _________ nerve
lingual
the masticator space communicates with the submandibular space in what way?
where the investing layer splits
the masticator space communicates with the cavernous sinus via the __________ plexus
pterygoid venous plexus
the masticator space communicates with the orbit via what 2 veins
angular vein
ophthalmic vein
an abscess in the _________ muscle in the masticator space is more common than _______ involvement
medial pterygoid ; masseter
what is a potential space without a fascial lining? where is this space located between
sublingual space
between mylohyoid and mucosa
typical sources of infections in the sublingual space
mandibular 1st molar & premolars
the sublingual space communicates with what 2 spaces
sublingual –> parapharyngeal –> submandibular
Teeth with roots superior to the mylohyoid attachment would risk infection getting into what space?
sublingual
Teeth with roots inferior to the mylohyoid attachment would risk infection getting into what space?
submandibular
typical sources of infections in the submandibular space
2nd & 3rd mandibular molars (because of slightly longer roots)
what spaces communicates with the submandibular space
sublingual
submental
parapharyngeal
typical sources of infections in the submental space
mandibular anterior teeth aka the mandibular incisors
what space communicates with the submental space
submandibular space
Ludwig’s Angina ALWAYS involves what 2 spaces
sublingual & submandibular (often bilateral)
Regarding Ludwig’s Angina, there is the presence of what 2 things and no presence of what 1 thing?
presence of gangrene and phlegm
no presence of pus
Ludwig’s Angina involves what 3 things but spares what structure?
connective tissue
fascia
muscle (mylohyoid)
Spares glandular structures aka submandibular gland
How does Ludwig’s Angina spread? Include how it doesn’t spread/what system it won’t go into
Spreads by contiguity of spaces
NOT by lymphatics/won’t go into lymphatic system
What is the most frequent secondary site
parapharyngeal space
typical sources of infections in the parapharyngeal space
maxillary & mandibular molars
what spaces does the parapharyngeal space communicate with
submandibular
sublingual
masticator
retropharyngeal
The submandibular/sublingual/masticator spaces all go to what space secondarily
parapharyngeal space
the retropharyngeal space can spread directly into the __________ which is the danger space
mediastinum
