Infections Flashcards
What are the primary fascial spaces? (3 max, 4 mand)
What are the secondary fascial spaces? (8)
Primary maxillary:
Canine
Buccal
Infratemporal
Primary mandibular:
Submental, Sublingual, Buccal, Submandibular
Secondary: Masseteric Pterygomandibular superficial and deep temporal lateral pharyngeal retropharyngeal parotid prevertebral
Canine space:
What teeth can contribute to canine space infection?
Boundaries: superior inferior medial anterior posterior
pathognomonic sign?
Teeth:
canine and first premolar
sometimes mesiobuccal root of first molar
Boundaries: Superior- levator superioris and levator labii superioris Inferior- Caninus muscle Medial- Anterolateral surface of maxilla Anterior- Orbicularis oris Posterior- Buccinator muscle
Pathognomonic sign:
nasolabial fold flattening
Buccal Space:
Contents? (3)
Contributing teeth?
Boundaries: Superior Inferior Lateral Medial Anterior Posterior
Contents:
Buccal fat pad
Stenson’s duct
Facial artery
Teeth: Max/mand molars and premolars
Boundaries: Superior: Zygomatic arch Inferior: Inferior border of mandible Lateral: Subq and skin Medial: Buccinator muscle Anterior: Posterior border of zygomaticus major and depressor anguli oris Posterior: Anterior edge of masseter muscle Posterior
Submental Space:
Contents? (2)
Contributing teeth/etiology? (2)
Boundaries: Superior Inferior/anterior Lateral Posterior
Clinical sign to look out for? (1)
Submental Space
Contents: lymph nodes, anterior jugular vein
teeth/etiology:
mandibular incisors
anterior extension of submandibular space infection
Boundaries:
Superior- mylohyoid muscle
Inferior/anterior- deep cervical fascia, platysma muscle
Lateral- anterior belly of digastric muscles
Posterior- submandibular space
Clinical sign: dysphasia (pain on swallowing)
Sublingual Space:
Contents? (5)
Contributing teeth?
Boundaries: Superior Inferior Medial Lateral Anterior Posterior
Clinical sign to watch out for?
Sublingual Contents: Deep part of submandibular gland Wharton's duct Sublingual gland lingual & hypoglossal nerves Terminal branches of lingual artery
Teeth: mandibular premolars and 1st molar
Boundaries: Superior- mucosa of floor of mouth Inferior- mylohyoid muscle Medial- Geniogyoid, styloglossus, genioglossus muscles Lateral- inner aspect of mandible Anterior- "" mandible Posterior- Body of hyoid bone
Clinical sign:
FOM elevation, limited ROM of tongue
What makes up Unasyn?
What are the two classes of Abx and how do they work?
Ampicillin and Sulbactam
Ampicillin- PCN: bacteriorcidal via inhibition of cell wall synthesis
Sulbactam- cephalosporin: beta-lactamase inhibitor
4 common bacteria that cause odontogenic abscesses
Strepp virdans Porphyromonas Provatella Moraxella ....?? trying to remember these
