Dr. Radhika Kubavat, Dr. Kiran Vachhani, Dr. Kamal Bagda, Dr. Kailash Attur, Dr. Dhruvin Desai. Retreatment Of Endodontically Failed Tooth With Open Apex Using A Matrix Concept - Case Reports: Retreatment Of Endodontically Failed Tooth With Open Apex Using A Matrix Concept - Case Reports. Natl J Integr Res Med [Internet]. 2020 Sep. 1 [cited 2024 Apr. 25];11(4):88-93. Available from: http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2864