Assessment of the relationship between the maxillary sinus and the canine root tip using cone beam computed tomography.

Background: The purpose of the present study is to investigate the relationship between the maxillary sinus and the canine root apices in cone beam computed tomographic images (CBCT) and to assess the amount of extension of the maxillary sinus to the anterior region of the jaw in different sexes and age groups.

Methods: CBCT of 300 individuals (154 males and 146 females) over 20 years (with a mean age of 35.12 ± 8.