Spatium pterygomandibulare

Spatium Pterygomandibulare

Borders

• Cranial --> Lateral pterygoid muscle

• Caudal --> Medial pterygoid muscle

• Medial --> Medial pterygoid muscle

• Lateral --> Inner surface of mandibular ramus

• Dorsal --> Parotid gland (open to parotidomasseteric region and to infratemporal fossa)

• Ventral --> Buccinator muscle

Contents

Arteries

• Inferior alveolar

Veins

• Inferior alveolar

Nerves

• Inferior alveolar
• Lingual
• Chorda tympani

Infection

• Less profound trismus compaired to other infections in facial spaces

• Can cause airway obstruction