Referred patient 14 years old (in orthodontic treatment) for a suspected resorption on 2.1 that was exposed to trauma [1]. After an apical x ray, cone beam performed have complete diagnosis [2,3]. Almost the 80% of root is resorbed, after achieving parents’ consent treatment, planned intentional replantation [4] and retrograde approach. In case like this treatment’s goal stop resorption, removi...