Raafay Saeed Haider, Saima Azam, and Usman Anwer Bhatti. “Reasons For Failure of Endodontically Treated Teeth: A Cross-Sectional Study”. Journal of Health and Rehabilitation Research, vol. 3, no. 2, July 2023, pp. 1-9, doi:10.61919/jhrr.v3i2.1908.