Fig. 1

 a Buccal and occlusal initial situations of the recipient site. b Initial X-ray and CBCT showing bone defect around the mesial root of the right mandible first molar. c Three-dimensional reconstruction and simulation implantation of third molar of right mandible performed on the software and printed replica of the third molar of right mandible and the guiding template. d One month after 46 removal. e Incision of the recipient site. f Preparation of the alveolar socket with the help of the model tooth and guiding template. g Model and donor teeth. h Placement of the replica and replica with the guidance of template. i Placement of the donor tooth. j Donor and adjacent teeth fixed using steel wire and adhesive. k 1- and 3-month review of the recipient site. l Buccal and occlusal situation of the donor tooth and recipient site