Khrwatany, Khurshid Abubakir Kheder. 2023. “Decision of Surgery According to Relation of Roots of Lower Third Molar to Inferior Alveolar Canal in Different Winter Classes of Impaction Depending Only on Orthopan-Tomogram. Surgical Prospective from a Retrospective Radiographic Study”. AMJ (Advanced Medical Journal) 5 (1):52-56. https://doi.org/10.56056/amj.2019.80.