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Anatomy Module IV > Fascial Spaces > Flashcards

Fascial Spaces Flashcards

(69 cards)

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1
Q

Primary fascial spaces

A

become involved/infected directly from odontogenic source

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2
Q

Primary Maxillary Fascail Space

A

Infratemporal
Canine
Buccal

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3
Q

Primary Mandibular Fascial Spaces

A

Buccal
Submental (SMe)
Submandibular (SMd)
Sublingual

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4
Q

Secondary Fascail Spaces

A

Become invloved/infected directly FROM THE PRIMARY FASCAIL SPACES

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5
Q

exception to the secondary fascial space

A

The infratemporal space associated with the masticator region is considered a primary fascial space although in the region of the masticator

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6
Q

What are the secondary fascial spaces?

A 
Superficial and deep temporal spaces
Masticator Region (Infratemporal space, submasseteric space, pterygomandibular/pterygoid 
Lateral pharyngeal
retropharyngeal 
prevertebral
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7
Q

canine aka

A

infraorbital space

and is a primary space

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8
Q

borders of the canine (infraorbital space)

A

posterior - anterior surface of the maxilla

superior - infraorbital margin

anterior - levator labii superioris and levator anguli oris muscles of the face

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9
Q

origin of canine space abcesses and presentation

A

from the upper anterior teeth and bicuspids but is ALMOST EXCLUSIVELY FROM THE MAXILLARY CANINE TOOTH

will present with unilateral facial redness, pain, and swelling lateral to the nose with obliteration of the nasolabial fold is characterisitc

severe upper lip and lower eyelid swelling may cause eye closure and drooling at the corner of the mouth

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10
Q

buccal space infections

A

travels FROM the maxillary or mandibular molars or pre molars and may travel TO the pterygomandibular space, submassereric space, deep and superficial temporal spaces, and the lateral phayrngeal space

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11
Q

spread of buccal space infection is dependent on….

A

the attachment of the buccinator muscle in relation to the roots of the maxillary molars

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12
Q

lateral border of buccal space

A

superficial fascia and skin of cheek

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13
Q

medial border of buccal space

A

buccinator muscle

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14
Q

inferior border of buccal space

A

mandible and superficial fascia

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15
Q

superior border of buccal space

A

maxilla, and xygomatic arch

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16
Q

posterior and anterior border of buccal space

A

posterior - parotid gland and pterygomandibular raphe

anterior - superifical fascia and muscles of the lips

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17
Q 
Submental space (SMe) - where and 
contents and communications
A

conical, small anterior, midline, single space
anterior jugular vein and submental lymph nodes

communicates with submandibular space posteriorly

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18
Q

infection associated with submental space

A

likely involving infections of the mandibular incisors causing a swelling at the point of the chin

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19
Q

anterosuperior border of submental space

A

mental symphysis (Apex)

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20
Q

posteriorinferior border of submental space

A

hyoid bone (base)

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21
Q

superolateral border of submental space

A

anterior bellies of digastric muscle

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22
Q

floor and roof of border of submental space

A

floor - mylohyoid muscle

roof - superficial fascia containing platysma

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23
Q

Submandibular (SMd) contains

A 
submandibular gland 
lymph nodes
the hypoglossal nerve 
the nerve to the mylohyoid 
the facial artery and submental branch
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24
Q

Subamandibular space communicates with?

A

superficial spaces, the sublingual region, the parotid region, and the masticator region

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25
infection in the submandibular space?
come from the mandibular molars that have their roots BELOW THE MYLOHYOID LINE
26
Lateral border of the submandibular space
superficial fascia and the body of the mandible
27
medial border of the submandibular space
mylohyoid muscle
28
superior border of the submandibular space
mylohyoid line of the mandible and mylohyoid muscle
29
inferior border of the submandibular space
hyoid bone
30
sublingual space (SL) contains
``` sublingual gland deep submandibular gland and duct lingual nerve and submandibular ganglion lingual artery and branches the hypoglossal nerve ```
31
communications with the sublingual space
submandibular region or the masticator region
32
infection with the sublingual space
mandibular molars and pre molars that have their roots ABOVE the mylohyoid line
33
lateral border of the sublingual space
body of the mandible
34
medial border of the sublingual space
base of the tongue
35
inferior border of the sublingual space
mylohyoid muscle
36
superior border of the sublingual space
mucosa of the floor of the mouth
37
ludwing's agina
aggressive, rapidly spreading cellulitis (infection) involving bilateral sublingual, submandibular, and submental spaces neck and floor of mouth may become so swollen that breathing may be compromised, necessitating the creation of an artificial airway
38
major causes of ludwig's angina
ODONTOGENIC in 90% of cases and arises from the SECOND AND THIRD MANDIBULAR MOLARS 75% of cases because the roots of these teeth extend BELOW the level of the attachment of the mylohoid muscle
39
T/F ludwig's angina has the potential for adjacent retropharyngeal and mediastinal infection
TRUE - if it spreads through the buccopharyngeal gap or space created by the styloglossus muscle between the middle and superior constrictor muscle of the pharynx
40
is the infratemporal space a primary or secondary space
it is a primary space- however it is in the masticator region (associated with secondary spaces - BESIDES THE INFRATEMPORAL SPACE)
41
superficial temporal space
between the temporal fascia and the temporalis muscle
42
deep temporal space
bwtween the temporlis muscle and the lateral surface of the skull
43
contents of superficial and deep temporal space | communications
contain losse aerolar tissue and communicate below the zygomatic arch with the masticator region, infratmeporal region and pterygopalatine fossa
44
infections with the temporal spaces
mandibular 3rd molar infections and spread to this region
45
masticator region
this region or space lies on either side of the mandibular ramus and is formed by the cervical fascia that ASCENDS from the neck and SPLITS AT THE INFERIOR BORDRER OF THE MANDIBLE to envelop the area
46
subdivisions of the masticator region
infratemporal space (considered primary but in this region) masseteric (submasseteric) pterygomandibular space
47
infections into the masticator regions
spread from infections from the 2nd or 3rd mandibular molars may spread to these secondary sites
48
masseteric / submasseteric space
a POTENTIAL SPACE located between the masseter muscle and lateral surface of the ramus of the mandible. it is an area od a zone of insertion of the masseter muscle that is less dense, permitting detachment of the periosteum from the bone
49
anterior border of the masseteric space
buccal fascia
50
posterior border of the masseteric space
parotid fascia
51
medial border of the masseteric space
mandible
52
lateral border of the masseteric space
masseter muscle
53
superior border of the masseteric space
lateral pterygoid muscle
54
inferior border of the masseteric space
mandible
55
infratemporal space
this is a medial continuation of the deep temporal space superior to the lateral pterygoid muscle and inferior to the sphenoid bone
56
anterior border of the infratemporal space
maxilla
57
posterior border of the infratemporal space
parotid gland
58
medial border of the infratemporal space
lateral pterygoid muscle
59
lateral border of the infratemporal space
temporalis muscle
60
superior border of the infratemporal space
sphenoid bone
61
inferior border of the infratemporal space
lateral pterygoid muscle
62
Pterygomandibular space contents
include the alveolar nerve, artery and vein, lingual nerve and chorda tympani
63
pterygomandibular space communications and infection source
mandibular 2nd and 3rd molars communicates with a wide range of spaces like the superficial temporal, buccal, submasseteric, and submandibular
64
medial border of the pterygomandibular space
medial pterygoid muscle
65
lateral border of the pterygomandibular space
mandible
66
superior border of the pterygomandibular space
lateral pterygoid muscle
67
inferior border of the pterygomandibular space
mandible
68
anterior border of the pterygomandibular space
buccinator
69
posterior border of the pterygomandibular space
parotid fascia and mandible

Anatomy Module IV (12 decks)

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