Pterygopalatine fossa and space- FOCUS

Question 1

Pterygopalatine fossa contents

Answer 1

Maxillary nerves & branches-
Posterior superior alveolar nerves.
Zygomatic nerve.
Pterygopalatine nerves.

Pterygopalatine ganglion
Branches from the ganglion-
Greater palatine nerve
Lesser palatine nerve

Nasal branches-
Nasopalatine nerve

Pharyngeal branches

Question 2

Pterygopalatine fossa communications

Answer 2

Cranial cavity
Nasal cavity
Oral cavity
Oropharynx
Infratemporal fossa
Orbit

Question 3

Maxillary artery travels through the _______ fossa enters into the _________ and gives off the __________

Answer 3

Maxillary artery travels through the INFRATEMPORAL FOSSA enters into the PTERYGOPALATINE FOSSA and gives off the POSTERIOR SUPERIOR ALVEOLAR ARTERY.

Question 4

Infections of the infratemporal fossa

Answer 4

Severe pain
Minimal swelling of face
Trismus (difficulty opening mouth)
Difficulty swallowing
Fever

Question 5

Pterygomandibular space boundaries

Answer 5

Medial pterygoid muscle
Mandibular ramus
Parotid gland
Pterygomandibular raphe

Question 6

Pterygomandibular space contents

Answer 6

Inferior alveolar neuro-vascular bundle- nerve, vein, artery.
Lingual nerve
Sphenomandibular ligament

Question 7

Possible issues after giving Inferior block injection

Answer 7

Transient facial paralysis
Intra vascular injection
Needle tract infection

Question 8

Clinical importance of the pterygomandibular space

Answer 8

Only practical place to deposit local anesthetic solution to anethetis the inferior alveolar nerve.