Fig. 1

a–h Surgical procedure of the lateral ridge augmentation technique. In the initial radiograph a a ridge deficiency of the alveolar ridge in the third quadrant is visible. b shows the clinical appearance of the alveolar ridge defect after reflection of a mucoperiosteal flap. c Bone allograft material (Maxgraft, Botiss company) which is rehydrated and used for lateral augmentation of the alveolar crest (d) and covered with a pericardium membrane (e). The flap was sutured with a 5.0 Gore Tex suture in order to achieve primary closure (f). The clinical view after 4 months of healing is visible in g, at time of implant insertion. The postoperative panoramic radiograph after implant insertion is shown in h