Fig. 1From: Evaluation of the relationship between maxillary posterior teeth and the maxillary sinus floor using cone-beam computed tomographyCBCT images of three vertical relationships between maxillary posterior teeth and MSFs in sagittal (a, c and e) and coronal planes (b, d and f). a Type OS: MBR of a right MFM; b Type OS: PR of a left MFM; c Type CO: MBR and DBR of a right MFM; d Type CO: PR of a right MSM; e Type IS: PRs of right maxillary molars; f Type IS: MBR of a left MSMBack to article page