IAN transposition IAN lateralization
1. Buccal/lateral bone window 1. Buccal/lateral bone window
2. Complete osteotomy of the mental foramen 2. Partial osteotomy of the mental foramen distal portion
3. Micro-dissection of the IAN 3. Maintaining the integrity of the incisive nerve
4. Incision of the incisive nerve 4. Gentle buccal traction of the IAN
5. Repositioning of the IAN 5. Replacement of the IAN on the implant surface
(with collagen and PRF protective layer)
6. Incorporation of the IAN into the buccal flap

PRF = platelet-rich fibrin.