Maio Pinzan-Vercelino, Célia Regina, et al. “Orthodontic Movement of Central Incisor With Previously-Healed Root Fracture Associated With Unerupted Canines”. Iranian Endodontic Journal, vol. 16, no. 4, Oct. 2021, pp. 265-9, doi:10.22037/iej.v16i4.35022.