Tonetto MR, Borges AH, Bandéca MC, Volpato LE, Oliveira TM, de Campos Neves AT, Palma VC.
Root Resorption of Maxillary Incisors caused by Bilaterally Impacted Canines: An Evaluation by Cone-Beam Computed Tomography. 
World J Dent
2014;
5
(1):67-71.