Fascial Spaces - Herring

Question 1

What are the 5 primary routes infection from teeth/gingivae can spread

Answer 1

1. Directly into oral cavity or oral vestibule
2. Paranasal Sinuses
3. Blood
4. Fascial Spaces
5. Lymphatic System

Question 2

The paranasal sinuses can affect the maxillary sinus, causing maxillary sinusitis which can connect to the _______ causing _________ cellulitis

Answer 2

orbit ; orbital cellulitis

Question 3

Bacteremia and Infected thrombus are associated with what route of infection

Answer 3

Blood

Question 4

Head and Face Fascia - the face has a superficial layer of fascia that is involved with

Answer 4

facial expression

Question 5

What layer of head and face fascia is involved with the following:

Hyoid bone to mandible &
zygomatic arch

Covers floor of the mouth

Surrounds submandibular
gland

At mandible = splits into medial & lateral layers

Answer 5

Investing Layer

Question 6

Once the investing layer splits at the mandible into a lateral layer, what does that contain?

Answer 6

masseter
angle & ramus of mandible
parotid fascia

Question 7

The superficial fascial space can subdivide into a couple spaces, which space is between buccinator & skin

Answer 7

buccal space

Question 8

The following typical symptoms are associated with what superficial fascial space:

Large swelling of cheek

Can easily spread & involve canine space

Swelling may appear to the philtrum

Swelling may be present to the parotid region

Superior up to eye

Answer 8

Buccal space

Question 9

What superficial fascial space involves the attachment of buccinator m.

Answer 9

buccal space

Question 10

Explain how the roots of molars determine if an infection enters the buccal space or the vestibular space

Answer 10

If eruption of maxillary molar root happens superior to the attachment of the buccinator muscle, the infection can erupt into buccal space (inferior if mandibular molar)

Question 11

What superficial fascial space is

Superficial to canine fossa

Deep to muscles that act on upper lip

Answer 11

Canine space (infra-orbital)

Question 12

What superficial fascial space is associated with the following symptoms:

Mass along lateral border of nose

Extends to medial angle of eye & periorbital area

Obliterates nasolabial fold

Answer 12

Canine space (infra-orbital)

Question 13

What are the 5 subdivisions of the masticator Deep Fascial Space

Answer 13

Superficial temporal
Deep temporal
Masseteric
Infratemporal
Pterygomandibular

Question 14

What infection is most common pathological condition to affect masticator space

Answer 14

Odontogenic infection

Question 15

What deep fascial space is associated with the following symptoms:

Facial swelling
Pain
Trismus (lockjaw)

Answer 15

Masticator Deep Fascial Space

Question 16

What deep fascial space is associated with the following symptoms:

Elevated tongue

Decreased mobility
of tongue

Swollen floor of
mouth

Dysphagia (trouble swallowing)

Answer 16

Sublingual deep fascial space

Question 17

What deep fascial space is associated with the following symptoms:

Dysphagia

Firm swelling in
submandibular region

Answer 17

submandibular space

Question 18

How a tooth can enter the sublingual or submandibular space is dependent on the __________ attaching and how long the _______ of teeth are

Answer 18

mylohyoid ; roots

Question 19

If the roots are superior (shorter) to the attachment of the mylohyoid muscle, the infection will enter what space?

Answer 19

sublingual

Question 20

If the roots are inferior (longer) to the attachment of the mylohyoid muscle, the infection will enter what space?

Answer 20

submandibular

Question 21

What deep fascial space is associated with the following symptoms

Hard, midline swelling under chin

Answer 21

Submental deep fascial space

Question 22

The following symptoms are associated with what deep fascial space:

Pain & muscle trismus

Medial displacement of pharyngeal wall

Dysphagia

Angle of mandible impalpable

Answer 22

Parapharyngeal space

Question 23

What fascia is immediately deep to head & face fascia

Answer 23

investing layer of fascia

Question 24

Once the investing layer splits at the mandible into a medial layer, what does that contain?

Answer 24

medial pterygoid
lateral pterygoid plate

** deeper than lateral layer **

Question 25

Branches of CN VII are in what superficial fascial space

Answer 25

parotid space

Question 26

This cranial nerve and its branches are in the masticator space

Answer 26

CN V3

Question 27

CN XII is in what 2 deep fascial spaces

Answer 27

sublingual and submandibular space