Showg Salem, Nora Agila and Salaheddin Alkesher 2021. Shaping Ability of Three Ni-Ti Rotary Systems in Curved Root Canals of Extracted Teeth. Khalij-Libya Journal of Dental and Medical Research. 6, 1 (Nov. 2021), 6–10. DOI:https://doi.org/10.47705/kjdmr.216102.