Spread of Infection

Question 1

Routes of Spread of Odontogenic Infections

Answer 1

• Maxillary abscesses
• Mandibular abscesses

Question 2

How infection spread into submandibular space?

Answer 2

• normally wisdom teeth, near mylohyoid line

Question 3

Cavernous sinus thrombosis

Answer 3

Question 4

Upper anterior teeth spread

Answer 4

• lip
• nasolabial region
• lower eyelid

Question 5

Upper lateral incisor

Answer 5

• palate (less common)

Question 6

Upper premolars & molars

Answer 6

• cheek
• infra-temporal region
• maxillary antrum
• palate

Question 7

Intraoral labial abscess

Answer 7

Question 8

Infraorbital spread

Answer 8

Question 9

Buccal space spread

Answer 9

Question 10

Lower anteriors

Answer 10

• mental space
• submental space

Question 11

Lower premolars & molars

Answer 11

• buccal space
• submasseteric space
• sublingual space
• submandibular space
• lateral pharyngeal space

Question 12

Submental spread

Answer 12

Question 13

Submental sinus tract to skin

Answer 13

• cause of lower anterior incisors

Question 14

Submandibular spread

Answer 14

Question 15

Buccal/ Submandibular Spread

Answer 15

Question 16

Surgical Management

Answer 16

• drainage (extra oral/ intra oral)
• removal of source of infection (immediate/ delayed)
• AB therapy (toxicity, desirability, MH)

Question 17

Ludwig’s Angina

Answer 17

• bilateral cellulitis of sublingual and submandibular spaces

Question 18

Features of Ludwig’s Angina

Answer 18

I/O
- raised tongue
- difficulty breathing
- difficulty swallowing
- drooling

E/O
- diffuse redness and swelling bilaterally in submandibular region

Systemically
- raised HR
- raised resp rate
- raised temp
- raised WCC

Question 19

NEWS

Answer 19

National Early Warning Score

Question 20

AVPU

Answer 20

A alert
V responds to verbal commands
P responds to pain
U completely unresponsive