CLINICAL CASE 1 – Clinical situation in the posterior maxilla depicting a large buccal defect in the edentulous area. 2 – Fixation of the autologous block from the symphysis. 3 – Contouring of the grafted site with Geistlich Bio-Oss®. 4 – The augmented area is covered with the collagen membrane Geistlich Bio-Gide®. 5 – Primary wound closure is accomplished with single interrupted sutures. 6 – Clinical aspect of the augmented ridge with no signs of block resorption. 7 – Implant placement 3 months post augmentation. 8 – Long-term follow-up showing stable peri-implant bone level 3 years after implant placement.