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Anatomy Module IV > Fascial Spaces > Flashcards

Fascial Spaces Flashcards

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
Q

infection in the submandibular space?

A

come from the mandibular molars that have their roots BELOW THE MYLOHYOID LINE

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26
Q

Lateral border of the submandibular space

A

superficial fascia and the body of the mandible

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27
Q

medial border of the submandibular space

A

mylohyoid muscle

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28
Q

superior border of the submandibular space

A

mylohyoid line of the mandible and mylohyoid muscle

29
Q

inferior border of the submandibular space

A

hyoid bone

30
Q

sublingual space (SL) contains

A 
sublingual gland
deep submandibular gland and duct 
lingual nerve and submandibular ganglion 
lingual artery and branches 
the hypoglossal nerve
31
Q

communications with the sublingual space

A

submandibular region or the masticator region

32
Q

infection with the sublingual space

A

mandibular molars and pre molars that have their roots ABOVE the mylohyoid line

33
Q

lateral border of the sublingual space

A

body of the mandible

34
Q

medial border of the sublingual space

A

base of the tongue

35
Q

inferior border of the sublingual space

A

mylohyoid muscle

36
Q

superior border of the sublingual space

A

mucosa of the floor of the mouth

37
Q

ludwing’s agina

A

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
Q

major causes of ludwig’s angina

A

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
Q

T/F ludwig’s angina has the potential for adjacent retropharyngeal and mediastinal infection

A

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
Q

is the infratemporal space a primary or secondary space

A

it is a primary space- however it is in the masticator region (associated with secondary spaces - BESIDES THE INFRATEMPORAL SPACE)

41
Q

superficial temporal space

A

between the temporal fascia and the temporalis muscle

42
Q

deep temporal space

A

bwtween the temporlis muscle and the lateral surface of the skull

43
Q

contents of superficial and deep temporal space

communications

A

contain losse aerolar tissue and communicate below the zygomatic arch with the masticator region, infratmeporal region and pterygopalatine fossa

44
Q

infections with the temporal spaces

A

mandibular 3rd molar infections and spread to this region

45
Q

masticator region

A

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
Q

subdivisions of the masticator region

A

infratemporal space (considered primary but in this region)
masseteric (submasseteric)
pterygomandibular space

47
Q

infections into the masticator regions

A

spread from infections from the 2nd or 3rd mandibular molars may spread to these secondary sites

48
Q

masseteric / submasseteric space

A

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
Q

anterior border of the masseteric space

A

buccal fascia

50
Q

posterior border of the masseteric space

A

parotid fascia

51
Q

medial border of the masseteric space

A

mandible

52
Q

lateral border of the masseteric space

A

masseter muscle

53
Q

superior border of the masseteric space

A

lateral pterygoid muscle

54
Q

inferior border of the masseteric space

A

mandible

55
Q

infratemporal space

A

this is a medial continuation of the deep temporal space superior to the lateral pterygoid muscle and inferior to the sphenoid bone

56
Q

anterior border of the infratemporal space

A

maxilla

57
Q

posterior border of the infratemporal space

A

parotid gland

58
Q

medial border of the infratemporal space

A

lateral pterygoid muscle

59
Q

lateral border of the infratemporal space

A

temporalis muscle

60
Q

superior border of the infratemporal space

A

sphenoid bone

61
Q

inferior border of the infratemporal space

A

lateral pterygoid muscle

62
Q

Pterygomandibular space contents

A

include the alveolar nerve, artery and vein, lingual nerve and chorda tympani

63
Q

pterygomandibular space communications and infection source

A

mandibular 2nd and 3rd molars

communicates with a wide range of spaces like the superficial temporal, buccal, submasseteric, and submandibular

64
Q

medial border of the pterygomandibular space

A

medial pterygoid muscle

65
Q

lateral border of the pterygomandibular space

A

mandible

66
Q

superior border of the pterygomandibular space

A

lateral pterygoid muscle

67
Q

inferior border of the pterygomandibular space

A

mandible

68
Q

anterior border of the pterygomandibular space

A

buccinator

69
Q

posterior border of the pterygomandibular space

A

parotid fascia and mandible

Anatomy Module IV (12 decks)

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