Prayogo, K., Wahjuningrum, D.A. and Subiyanto, A. 2020. Endodontic Retreatment In Case Of Failure: Case Report. Conservative Dentistry Journal. 9, 2 (Jun. 2020), 109–111. DOI:https://doi.org/10.20473/cdj.v9i2.2019.109-111.