Fig. 2From: Assessment of the relationship between the maxillary sinus and the canine root tip using cone beam computed tomographyA case with the maxillary sinus extended to the canine area. A star has marked the cross-section passing through the tooth-long axis. In this case, the maxillary sinus can be detected in eight cross-sections beyond the canine tooth long axis. So, the AEMS, in this case, is equal to 4 mm (8 × 0.5)Back to article page