The current report states the author’s experience as an intern at Badan Riset Inovasi dan Nasional (BRIN), under the department of Pusat Riset Material Maju (PRMM). The goal of this internship was to create a systematic review that discusses the cytotoxic effects of hydroxyapatite cosubstituted with zinc (Zn) and strontium (Sr) on osteoblastic cell lines, with the goal of possibly using this …