Fascial Spaces

Question 1

Name 7 PRIMARY fascial spaces

Answer 1

• Maxillary:
  
  • infratemporal
  • canine
  • buccal
• mandibular
  
  • buccal
  • submental
  • submandibular
  • sublingual

Question 2

name 8 secondary fascial spaces

Answer 2

• superficial and deep temporal spaces
• masticator region
  
  • submasseteric space
  • pterygomandibular (pterygoid)
• lateral pharyngeal
• retropharyngeal
• prevertebral

Question 3

teeth most likely to cause absess in canine (infraorbital) space

Answer 3

upper anterior teeth, bicuspids but almost always maxillary canine

Question 4

borders of canine (infraorbital) space

Answer 4

posteriorly by anterior surface of maxilla

superiorly by infraorbital margin

anteriorly by levator anguli oris and levator labii superioris

Question 5

boundaries of buccal space

Answer 5

lateral: superficial fascia and skin of cheek

Medial: buccinator muscle

Inferior: mandible and superficial fascia

Superior: zygomatic arch and maxilla

Posterior: parotid gland and pterygomandibular raphe

Anterior: superficial fascia and muscles of lips

Question 6

teeth most likely to cause absess in buccal space

Answer 6

maxillary and mandibular molars or premolars

Question 7

infections of buccal space can travel where?

Answer 7

to pterygomandibular space, submaseeteric space, deep and superficial temporal spaces and lateral pharyngeal space

Question 8

borders of submental space

Answer 8

anterosuperiorly: mental symphysis (apex)
posteroinferiorly: hyoid bone
superolaterally: anterior belly of digastrics
floor: myloyoid muscle
roof: superficial fascia containing platysma

Question 9

contents of submental space

Answer 9

anterior jugular vein, submental lymph nodes

Question 10

what spaces does submental space communicate with?

Answer 10

submandibular space posteriorly

Question 11

teeth most likely to cause absess in submental space?

Answer 11

mandibular incisors

Question 12

borders of submandibular space

Answer 12

laterally: superficial fascia and body of mandible
medially: mylohyoid muscle
superiorly: mylohyoid line of mandible and mylohyoid muscle
inferiorly: hyoid bone

Question 13

contents of submandibular space

Answer 13

• submandibular gland
• lymph nodes
• hypoglossal nerve
• nerve to mylohyoid
• facial artery and submental branch

Question 14

what other spaces does the submandibular space communicate with?

Answer 14

superficial spaces, sublingual region, parotid region, masticator regoin

Question 15

teeth most likely to cause absess in submandibular space

Answer 15

mandibular molars with roots BELOW the mylohyoid line

Question 16

sublingual space boundaries

Answer 16

lateral: body of mandible
medially: base of tongue
inferiorly: mylohyoid muscle
superiorly: mucosa of floor of mouth

Question 17

contents of buccal space

Answer 17

buccal fat pad

Question 18

contents of sublingual space

Answer 18

• sublingual gland
• deep submandibualr gland and duct
• lingual nerve and submandibular ganglion
• lingual artery and brances
• hypoglossal nerve

Question 19

what spaces does the sublingual space communicate with?

Answer 19

submandibular region

masticator regoin

Question 20

teeth most likely to cause absess in sublingual space

Answer 20

mandibular molars and premolars with roots ABOVE mylohyoid line

Question 21

ludwigs angina

Answer 21

infection involving bilateral sublingual, submandibualar, and submental spaces

odontogenic in 90% of cases

from second and third molars 75% of time

can become retropharyngeal and mediastinal infection if spread through buccopharyngeal gap

Question 22

boundaries of superficial and deep temporal spaces

Answer 22

Superficial: between temporal fascia and temporalis muscle

Deep: between temporalis muscle and lateral surface of skull

Question 23

contents of superficial and deep temporal spaces

Answer 23

loose aerolar tissue

Question 24

what spaces do superficial and deep temporal spaces communicate with?

Answer 24

infratemporal region, ptergopalatine fossa, masticator region

Question 25

teeth most likely to cause absess in superficial and deep temporal spaces

Answer 25

mandibular 3rd molars

Question 26

boundaries of masticator region

Answer 26

on either side of mandibular ramus, cervical fasica ascending from neck splits

Question 27

3 subdivisions of masticator region

Answer 27

infratemporal, masseteric (submasseteric), pterygomandibular space

Question 28

teeth most likely to cause absess in masticator region

Answer 28

2nd and 3rd mandibular molars

Question 29

boundaries of infratemporal space

Answer 29

anterior: maxilla posterior: parotid gland medial: lateral pterygoid plate lateral: temporalis muscle superior: sphenoid bone inferior: lateral pterygoid muscle

Question 30

masseteric space boundaries

Answer 30

anterior: buccal fascia posterior: parotid fascia medial: mandible lateral: masseter muscle superior: lateral pterygoid muscle inferior: mandible

Question 31

pterygomandibular space boundaries

Answer 31

medial: medial pterygoid lateral: mandible superior: lateral pterygoid muscle inferior: mandible anterior: buccinator posterior: parotid fascia and mandible

Question 32

teeth most likely to cause absess in pterygomandibular space

Answer 32

2nd or 3rd molars

Question 33

contents of pterygomandibular space

Answer 33

inferior alveiolar nerve, artery and vein, lingual nerve and chorda tympani

Question 34

pterygomandibular space communicates with

Answer 34

superficial temporal, parapharyngeal, buccal, submasseteric, submandbular