[Autotransplantation of an immature tooth].

Autogenous tooth transplantation is indicated in young people treated by orthodontology, especially when they present with damaged first molars requiring extraction. This therapeutic alternative with a favourable prognosis is an elegant solution after a single tooth loss.

[Pre-prosthetic surgical ridge augmentation].

After detailed examination of most products used for rehabilitation of atrophied alveolar borders, the authors describe the procedure of surgical use of hydroxylapatite blocks placed under periosteum. In a further stage, this method can be completed by a vestibuloplasty combined with a depression of the floor covered and protected by a graft.