Guided autotransplant of a first premolar to replace a maxillary ankylosed incisor using a custom-designed osteotome.

Background: Autotransplantation is a highly successful technique to replace ankylosed teeth. The authors propose a modified therapeutic approach to guide the autotransplant of an immature maxillary premolar using a tooth-shaped osteotome.

Case Description: A 9-year-old boy reported an avulsion of his maxillary permanent left central incisor with a delayed replantation.