English · Svenska · Deutsch · Español · Latina
Posterior superior alveolar artery
A branch of the maxillary artery that descends on the back of the maxilla (the tuberosity) and enters it through small foramina.
Function
Blood supply to the upper molars and premolars, the maxillary sinus and the buccal gingiva.
Clinical relevance
Can bleed during the posterior superior alveolar nerve block and sinus lift surgery.
Source: StatPearls: Maxillary Artery
Related structures
Maxillary artery · Posterior superior alveolar nerve
This text is a draft and has not yet been reviewed by a dental professional. Educational reference only, not for diagnosis or treatment.