L22 Odontogenic infections

Question 1

Most likely way for patient to experience morbidity or mortality

Answer 1

Odontogenic infection

Question 2

Microbio of odontogenic infections

Answer 2

Pevotella
Porphyromona
Fusobacterium

Question 3

Progression of odontogenic bacteria

Answer 3

2 stage

• 1: aerobic bacteria: rapid spreading
• 2: anaerobic: toxins an antibiotic deactivating, abcesses

Question 4

Course of odontogenic bacteria

Answer 4

Cellulitis then
Abscess then
Fistula

Question 5

Cellulitis bacteria

Answer 5

Strep

Question 6

Determinants of spread

Answer 6

Muscle attachment
Bone thickness
Root angulation

Question 7

Primary space infection areas (5)

Answer 7

Vestibular
Caninine
Buccal
Sublingual
Submental

Question 8

Spread of maxillary infections

Answer 8

Usually labial
Vestibular in anterior
Buccal space in posterior

Question 9

Spread of mandibular infections

Answer 9

Anterior go labial

Posterior go lingual

Question 10

Sublingual and submandibular w/ mylohyoid

Answer 10

Sublingual: above
Submandibular: below

Question 11

Submental space can affect what muscle

Answer 11

Digastric

Question 12

Ludwigs angina

Answer 12

Bilater submandibular, sublingual and submental space cellulitis

Question 13

Danger space

Answer 13

Pre-vertebral space

Question 14

Tismus measurements and action

Answer 14

<15mm: refer/consider admission

<10mm: admission

Question 15

Antibiotics

Answer 15

Mild: Penicillin 500mg 6hrs 7 days or
Amoxicillin 500mg 8hrs
Moderate: Metronidazole 500 8hrs (w/ pen.)