Immature Tooth Autotransplantation with Buccal Bone Fenestration Treated with GBR and Immature Tooth Autotransplantation in Regenerated Bone: Proof of Principles with Medium- (55 Months) to Long-Term (252 Months) Follow-ups

Tooth autotransplantation is a reliable procedure with high long-term success and survival rates and shows many advantages over dental implants, particularly for young patients in craniofacial devel-opment. Nonetheless, insufficient bone availability at the recipient site is a key limitation. This study aimed to establish the feasibility of tooth autotransplantation combined with staged or simultaneous bone regeneration to address complex cases. Two young patients with missing teeth due to hypodon-tia or trauma and who were deemed unsuitable for implants were treated. Both complex cases were addressed through autologous tooth autotransplantation, either in conjunction with simultaneous guided bone regeneration or into a previously regenerated crest. The 5-year follow-up for the auto-transplanted canine and more than 20-year follow-up for the autotransplanted premolar revealed satisfactory results. These teeth played pivotal roles in restoring both function and esthetics in young patients. Additionally, tooth vitality was preserved throughout the follow-up period, with no compli-cations noted. Tooth autotransplantation in combination with previous or simultaneous guided bone regeneration proved to be effective in restoring function and esthetics in complex situations in young patients.