Fascial Spaces: Pathways - Herring

Question 1

typical sources of infections in the buccal space

Answer 1

maxillary molars & premolars

mandibular molars & premolars

Question 2

what is the primary space the buccal space communicates with

Answer 2

canine space

Question 3

typical source of infections in the canine (infra-orbital) space

Answer 3

anterior maxillary teeth - typically canines

Question 4

what 2 spaces does the canine space typically communicate with

Answer 4

buccal space
cavernous sinus

Question 5

odontogenic infection does not normally enter what space

Answer 5

parotid space

Question 6

The parotid gland can be affected by infection spread along what?

Answer 6

parotid duct

Question 7

if you see swelling with parotid space, what should you think and not think?

Answer 7

do NOT think dental infection, think cancer or other space occupying lesion

Question 8

maxillary 3rd molars typically have roots in the ___________ if long enough

Answer 8

maxillary sinus

Question 9

typical sources of infections in the masticator space

Answer 9

mandibular 3rd molars - #1 offender

1st and 2nd maxillary and mandibular molars & premolars

Question 10

what spaces does the masticator space typically communicate with

Answer 10

parapharyngeal space
sublingual space
submandibular space
cavernous sinus
orbit

Question 11

the masticator space is pretty close to what space

Answer 11

parapharyngeal

Question 12

the masticator space communicates with the sublingual space via the _________ nerve

Answer 12

lingual

Question 13

the masticator space communicates with the submandibular space in what way?

Answer 13

where the investing layer splits

Question 14

the masticator space communicates with the cavernous sinus via the __________ plexus

Answer 14

pterygoid venous plexus

Question 15

the masticator space communicates with the orbit via what 2 veins

Answer 15

angular vein
ophthalmic vein

Question 16

an abscess in the _________ muscle in the masticator space is more common than _______ involvement

Answer 16

medial pterygoid ; masseter

Question 17

what is a potential space without a fascial lining? where is this space located between

Answer 17

sublingual space

between mylohyoid and mucosa

Question 18

typical sources of infections in the sublingual space

Answer 18

mandibular 1st molar & premolars

Question 19

the sublingual space communicates with what 2 spaces

Answer 19

sublingual –> parapharyngeal –> submandibular

Question 20

Teeth with roots superior to the mylohyoid attachment would risk infection getting into what space?

Answer 20

sublingual

Question 21

Teeth with roots inferior to the mylohyoid attachment would risk infection getting into what space?

Answer 21

submandibular

Question 22

typical sources of infections in the submandibular space

Answer 22

2nd & 3rd mandibular molars (because of slightly longer roots)

Question 23

what spaces communicates with the submandibular space

Answer 23

sublingual
submental
parapharyngeal

Question 24

typical sources of infections in the submental space

Answer 24

mandibular anterior teeth aka the mandibular incisors

Question 25

what space communicates with the submental space

Answer 25

submandibular space

Question 26

Ludwig’s Angina ALWAYS involves what 2 spaces

Answer 26

sublingual & submandibular (often bilateral)

Question 27

Regarding Ludwig’s Angina, there is the presence of what 2 things and no presence of what 1 thing?

Answer 27

presence of gangrene and phlegm

no presence of pus

Question 28

Ludwig’s Angina involves what 3 things but spares what structure?

Answer 28

connective tissue
fascia
muscle (mylohyoid)

Spares glandular structures aka submandibular gland

Question 29

How does Ludwig’s Angina spread? Include how it doesn’t spread/what system it won’t go into

Answer 29

Spreads by contiguity of spaces

NOT by lymphatics/won’t go into lymphatic system

Question 30

What is the most frequent secondary site

Answer 30

parapharyngeal space

Question 31

typical sources of infections in the parapharyngeal space

Answer 31

maxillary & mandibular molars

Question 32

what spaces does the parapharyngeal space communicate with

Answer 32

submandibular
sublingual
masticator
retropharyngeal

Question 33

The submandibular/sublingual/masticator spaces all go to what space secondarily

Answer 33

parapharyngeal space

Question 34

the retropharyngeal space can spread directly into the __________ which is the danger space

Answer 34

mediastinum