Cone beam computed tomography evaluation of root and root canal system of perma- nent maxillary first and second molars in a sample of Iraqi Kurdistan patients. Adv.med.j. [Internet]. 2023 Jun. 13 [cited 2025 Dec. 6];5(2):105-11. Available from: https://amj.khcms.edu.krd/index.php/main/article/view/258