Ludimila Saiter Assis Beltrame’s research while affiliated with Faculdade São Leopoldo Mandic and other places

Introduction The aim of this study was to evaluate root development in autotransplanted teeth using cone‐beam computed tomography (CBCT) images. Methods Twelve premolars with incomplete root formation, which were selected to replace prematurely lost upper central incisors, were analyzed by CBCT on two different occasions. The first CBCT examination (T1) was conducted before tooth autotransplantation. The second CBCT examination (T2) was performed over a follow‐up period of at least 12 months and < 5 years. Three previously calibrated evaluators assessed root development. The positions of the tomographic planes were standardized. The mean root length in sagittal and coronal tomographic sections was used to validate the root length at T1 and T2. Longitudinal root development of the transplanted tooth was determined by calculating the difference in root length between T2 and T1. The intraclass correlation coefficient (ICC), paired t ‐test, and Pearson test were applied, with significance set at 5%. Results The mean time elapsed between T1 and T2 was 962 days/2.6 years. The ICC was > 0.75. The measurements obtained at T2 were significantly greater than at T1 ( p = 0.001). The mean increase in root length was 2.83 mm. There was no significant correlation ( p = 0.413; r = 0.261) between root length increase and the time elapsed between T1 and T2. Conclusion Premolar teeth with incompletely formed roots transplanted to the upper central incisor region showed continued root development during postoperative follow‐up.

Aim: The aim of this retrospective study was to evaluate the post-surgical results of autotransplanted teeth, considering the pulp survival rate and periodontal healing. Methodology: Records of 43 patients with 50 autotransplanted teeth were analysed. Demographic, clinical and radiographic data were verified. The time between autotransplantation surgery and the date of endodontic access was considered to assess the pulp survival rate. Periodontal healing was observed through gingival morphology and the presence of root resorption. Pulp survival was verified and the influence of Nolla stage on the survival rate was analysed. Results: The pulp survival rate was 72%, and the stage of root development influenced the survival rate in autotransplanted teeth (p = 0.001). The pulp survival rate in autotransplanted teeth in Nolla stages 6 and 7 was 100%; the pulp survival rate for teeth in stages 8 and 9 was 90% and 75%, respectively. Regarding periodontal analysis, no tooth was observed in the presence of periodontal pockets and mobility above grade I. Replacement resorption was diagnosed in 20% and external inflammatory resorption in 4%. Conclusions: Dental autotransplantation was a safe treatment, showing satisfactory results. The pulp survival rate was considered high, especially in teeth with incomplete rhizogenesis.