1. Billings B, Helms L, Utreja A, Eckert G, Ghoneima A. Three-dimensional evaluation of molar buccolingual inclinations after orthodontic treatment using edgewise mechanics. IntOrthod. 2017;15:529–42.
2. Sarment D. Cone beam computed tomography: oral and maxillofacial diagnosis and applications. Iowa, USA: Wiley Blackwell; 2014.
3. DA Mcgrowan B, James J, editors. The maxillary sinus and its dental implications. London, United Kingdom: Wright; 1993.
4. Sharan A, Madjar D. Maxillary sinus pneumatization following extractions: a radiographic study. Int J Oral Maxillofac Implants. 2008;23:48–56.
5. Ariji Y, Kuroki T, Moriguchi S, Ariji E, Kanda S. Age changes in the volume of the human maxillary sinus: a study using computed tomography. DentomaxillofacRadiol. 1994;23:163–8.