Hoang, K., and L. Nguyen. “External Root Resorption in Mandibular Second Molars Associated With Mesial, Impacted Third Molars on CBCT Images”. Science and Technology Development Journal: Health Sciences, Vol. 4, no. 1, June 2023, pp. 584-9, doi:https://doi.org/10.32508/stdjhs.v4i1.552.