Osama, A., N. Abdelsalam, and M. sharaan. “Apical Dentinal Defects After Root Canal Preparation, Obturation and Retreatment Using Rotary and Reciprocating Instruments: An In-Vitro Study”. Journal of Endodontics and Restorative Dentistry, vol. 3, no. 2, Sept. 2025, pp. 1-7, doi:10.5281/zenodo.17013689.