Dyg Siti binti Kanchil. (2021). A Case Report on the Use of Platelet-Rich Plasma to Revitalize Root Development with Necrotic Pulps and Open Apexes . ournal of urrent esearch in edicine, 2(1), 7–12. etrieved from http://8.218.148.162:8081/JCRM/article/view/51