Lecture 1- Management of Odontogenic Infections

Question 1

Odontogenic infections are a 2 stage progression. Stage 1 is initiated by … bacteria and the second stage is perpetuated by …. bacteria

Answer 1

aerobic

anaerobic

Question 2

the natural course of an odontogenic infection is … , … , …

Answer 2

cellulitis (aerobic)
abscess (anaerobic)
fistula (if you don’t intervene)

Question 3

Cellulitis can be thought of as a sponge meaning it won’t …

Answer 3

drain a lot

Question 4

Cellulitis is primarily …

Answer 4

streptococcus

Question 5

early cellulitis presentation…

Answer 5

mild, soft/red, easily treated

Question 6

advanced cellulitis presentation

Answer 6

diffuse, hard, severe/life threatening, hard to treat

Question 7

an abscess is primarily … and is a … filled cavity

Answer 7

anaerobes

pus filled

Question 8

3 determinants of the spread of an odontogenic infection

Answer 8

muscle attachments
bone thickness
root angulation

Question 9

T/F an infection in the submandibular space is very difficult to drain from inside the mouth

Answer 9

true

Question 10

T/F an infection in the vestibular or buccal space is very difficult to drain inside the mouth

Answer 10

false

Question 11

what is Ludwig’s angina?

Answer 11

bilateral submandibular, sublingual and submental space cellulitis

Question 12

what is a concern of Ludwig’s angina?

Answer 12

airway

Question 13

Trismus is a hallmark sign of an infection in the … space

Answer 13

pterygomandibular

Question 14

what causes rapid/severe fascial space involvement?

Answer 14

high speed hand piece used for extractions

• non sterile air/water
• vented into wound
• rapidly involves multiple spaces distant from wound
• crepitance on palpation or air on radiograph

Question 15

trismus indicates …. involvement

Answer 15

secondary space

Question 16

the most important surgical goal is

Answer 16

remove source of infection

then drain pus and release tension to improve circulation