Nakhaee, M., Ashraf, H., Hosseinpour, S., & Mashhadiabbas, F. (2016). Large radicular cyst with both buccal and palatal cortical bones perforation secondary to vital pulp therapy failure. International Journal of Dental Research, 4(2), 47-52. https://doi.org/10.14419/ijdr.v4i2.6593