2. #
Fascial Spaces
• Fascial spaces are fascia-lined tissue
compartments filled with loose, areolar
connective tissue that can become
inflamed when invaded by
microorganisms.
8. #
It is the region between anterior surface of maxilla and
overlying levator muscles of upper lip.
obliterates the nasolabial fold
Contains angular artery & vein, infraorbital nerve.
Etiology-
Maxillary canine & 1st
premolar infection & sometimes
mesiobuccal root of first molars.
10. #
Etiology-
Infected mandibular &
maxillary premolars & molars.
Clinical Features-
Buccal space associated with
temporal space – Dumb bell
shaped appearance due to lack
of swelling over zygomatic
arch.
19. #
Sublingual Space
Boundaries-
Superiorly: mucosa of floor of mouth.
Inferior: mylohyoid muscle.
Posteriorly: body of hyoid bone.
Anteriorly & laterally: inner aspect of mandibular body.
Medially: geniohyoid,styloglossus,genioglossus muscle.
Contents-
Deep part of Submandibular gland.
Wharton’s duct.
Sublingual gland.
Lingual & hypoglossal nerves.
Terminal branches of lingual artery.
20. #
Etiology-
Infected mandibular premolar & 1st
molar.
Clinical Features-
Swelling of floor of mouth without extraoral swelling
Elevated tongue
Pain & discomfort on swallowing.
21. #
Submandibular Space
Boundaries-
Superiorly: mylohyoid muscle, inferior border of mandible.
Inferior: anterior & posterior belly of digastric.
Laterally: deep cervical fascia, platysma, superficial fascia & skin.
Medially: hyoglossus,styloglossus,mylohyoid muscle.
Posteriorly: to hyoid bone.
Anteriorly: submental space.
Contents-
Submandibular salivary gland.
Proximal portion of Wharton’s duct.
Lingual & hypoglossal nerves.
Branches of facial artery- palatine,tonsillar,glandular,submental.
22. #
Etiology-
Infected mandibular 2nd
& 3rd
molars.
From submental,sublingual spaces.
Clinical Features-
• Indurated swelling in submandibular region.
• Usually bulges over lower border of mandible.
Spread of Infection-
Across midline to contralateral space.
To contiguous pharyngeal spaces.