Facial spaces

Question 1

What are the secondary fascial spaces?

Answer 1

superficial and deep temporal spaces, masticator, lateral pharyngeal, retropharyngeal and prevertebral

Question 2

Canine space bordered anteriorly by what two muscles?

Answer 2

levator labii superiors and elevator anguli oris

Question 3

canine space abscesses can come from where?

Answer 3

max anterior teeth and bicuspids, mostly canines.

Question 4

infections in buccal space mostly caused by which teeth?

Answer 4

max or man molars or premolars.

Question 5

buccal space may travel where?

Answer 5

pterygomandibular space, submasseteric space,
deep and superficial temporal spaces, and the
lateral pharyngeal space.

Question 6

boundaries of buccal space?

Answer 6

Lateral: Superficial fascia and skin of cheek
Medial: Buccinator muscle
Inferior: Mandible and superficial fascia
Superior: Maxilla, zygomatic arch
Posterior: Parotid gland & pterygomandibulr raphe
Anterior: Superficial fascia & muscles of the lips

Question 7

contents of submental space?

Answer 7

anterior jugular vein, submental lymph nods

Question 8

submental space communicates with which space?

Answer 8

submandibular space posteriorly

Question 9

submental space involvement caused by which teeth?

Answer 9

mandibular incisors

Question 10

boundaries of submental space

Answer 10

Anterosuperiorly: mental symphysis (Apex)
Posteroinferiorly: Hyoid bone (Base)
Superolaterally: Anterior bellies of digastric muscles
Floor: mylohyoid muscle
Roof: superficial fascia containing platysma

Question 11

infection of submandibular space from which teeth?

Answer 11

mandibular molars below the mylohyoid line

Question 12

communication of submandibular?

Answer 12

superficial spaces, (2) the sublingual region, (3) the parotid region, and (4) the masticator region

Question 13

contents of submandibular space?

Answer 13

–(1) the submandibular gland
–(2) lymph nodes
–(3) the hypoglossal nerve
–(4) the nerve to the mylohyoid
–(5) the facial artery and submental branch

Question 14

borders of submandibular space?

Answer 14

laterally by superficial fascia and the body of the mandible
–medially by the mylohyoid muscle
–superiorly by the mylohyoid line of the mandible and mylohyoid muscle
–and inferiorly by the hyoid bone.

Question 15

infection of sublingual space from where?

Answer 15

mandibular molars and premolars above the mylohyoid line

Question 16

communication of sublingual space?

Answer 16

submandibular region or the masticator region.

Question 17

contents of sublingual space?

Answer 17

1) the sublingual gland
–(2) the deep submandibular gland and duct
–(3) the lingual nerve and submandibular ganglion
–(4) the lingual artery and branches
–(5) the hypoglossal nerve.

Question 18

boundaries of sublingual space

Answer 18

– laterally by the body of the mandible
–medially by the base of the tongue
–inferiorly by the mylohyoid muscle
–superiorly by mucosa of the floor of the mouth.

Question 19

What is ludwig angina?

Answer 19

cellulitis (infection) involving bilateral sublingual, submandibular, and submental spaces.

Question 20

Which teeth usually cause ludwig angina?

Answer 20

second and third mandibular molars

Question 21

superficial temporal space is between what?

Answer 21

the temporal fascia and the temporalis muscle

Question 22

Deep temporal space is between what?

Answer 22

temporalis muscle and later surface of the skull

Question 23

both temporal spaces are filled with what?

Answer 23

loose areolar tissue

Question 24

below the zygomatic arch, both temporal spaces communicate with what?

Answer 24

infratemporal region, pterygopalatine fossa, and masticator region.

Question 25

infections from what teeth causes the infection in the temporal spaces?

Answer 25

mandibular 3rd molars

Question 26

masticator region infections causes by what.

Answer 26

2nd or 3rd mandibular molars

Question 27

subdivisions of masticator region?

Answer 27

–infratemporal space
–masseteric (submasseteric) space
–pterygomandibular space

Question 28

Where is masticator region located?

Answer 28

either side of mandibular ramus

Question 29

The medial continuation of the deep temporal space superior to the lateral pterygoid muscle and inferior to the sphenoid bone is known as what?

Answer 29

infra temporal space

Question 30

borders of infra temporal space?

Answer 30

Anterior: maxilla Posterior: parotid gland Medial: lateral pterygoid plate Lateral: temporalis muscle Superior: sphenoid bone Inferior: lateral pterygoid ms.

Question 31

borders of masseteric space?

Answer 31

Anterior: Buccal fascia
Posterior: Parotid fascia
Medial: Mandible
Lateral: Masseter ms.
Superior: Lateral pterygoid ms.
Inferior: Mandible

Question 32

A potential space located between the
masseter muscle and lateral surface of the
ramus of the mandible

Answer 32

masseteric space

Question 33

borders of ptrygomandibular space

Answer 33

Medial: Medial pterygoid
Lateral: Mandible
Superior: Lateral pterygoid ms
Inferior: Mandible
Anterior: Buccinator
Posterior Parotid fascia & mandible

Question 34

Pterygomandibular space infection caused by what ?

Answer 34

infections in second and third molars

Question 35

contents of Pterygomandibular space

Answer 35

inferior alveolar nerve, artery and vein,

lingual nerve and chorda tympani.

Question 36

communications of Pterygomandibular space

Answer 36

superficial temporal, parapharyngeal,
buccal, submasseteric, and
submandibular