Evaluation of length and location of the maxillary sinus intraosseous artery using computerized tomography.

The chances of encountering the intraosseous artery at the premolar area is <21% during a lateral window sinus floor elevation. The most common (22%) site of termination of the intraosseous artery is at the mesial of the second molar. Understanding of the course, location, and termination of the artery enhances the precision of a clinician when it comes to pre-operative treatment planning.