Anatomy Revision—routes of spread of acute infection

Routes of Spread of Pericoronitis of Lower 8

1. Along buccal sulcus                                              

2. Into cheek

3. Pterygomandibular space

4. Lateral pharyngeal space

5. Tonsillar fossa

6. Sub-masseteric space

7. Temporal space

 

 

(see diagram associated)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PTERYGOMANDIBULAR SPACE (level above Mandibular Foramen)

 

A           External Carotid Artery               

B           Retromandibular Vein

C           Facial Nerve (7)

D           Masseter

E           IDN       

F           Medial Pterygoid

G           Lingual N

H           Temporalis

I            Superior Constrictor      

J            Palatopharyngeus

K           Palatine tonsil   

L            Palatoglossus

M           Pterygomandibular Raphe

N           Buccinator

Muscles of Mastication

Trigeminal Nerve branches

Anatomy revision: Cranial nerves