Introduction: Tooth autotransplantation is the repositioning of an erupted, partially erupted, or non-erupted autologous tooth from one site to another within the same individual. Several factors influence the success rate of the autotransplant, such as the stage of root development, the morphology of the tooth, the surgical procedure selected, the extraoral time, the shape of the recipient socket, the vascularity of the recipient bed, and the vitality of the cells of the periodontal ligament. The aim of this scoping review was to provide the most up-to-date information and data on the clinical principles of the third-molar autograft and thus provide clinical considerations for its success. Materials and methods: This review was conducted based on PRISMA-ScR (Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews). The research was conducted by searching for keywords in three databases—PubMed, Scopus and Google Scholar—by two independent reviewers following the PRISMA protocol, from which 599 records were identified. Conclusions: Third-molar autotransplantation is a valid solution to replace missing teeth. The key to the success of this technique is the surgical procedure, which must be as atraumatic as possible to preserve the periodontal ligament of the tooth to be transplanted. The success rate is also linked to the stage of development of the root, with a worse prognosis in the case of a complete root.

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Maxillary canines are the second most frequently impacted teeth after third molars. In some cases, the position of the impacted tooth makes orthodontic traction too risky or even impossible. Autotransplantation can be a viable treatment option, and has been proven to have an acceptable success rate. The case reports a young female with a complex impaction solved using autotransplantation together with orthodontic alignment, with a 5-year follow-up. Clinical RelevanceImpacted maxillary canines are often difficult to manage, and associated risks must be taken into consideration when defining a treatment plan. There are several treatment options, and sometimes autotransplantation can be one of the best options from a risk/benefit point of view.

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