Fig. 1From: Minimal invasive horizontal ridge augmentation using subperiosteal tunneling techniqueIntraoral photographs of minimal invasive horizontal ridge augmentation using a subperiosteal tunneling technique. a Deficient alveolar ridge. b Small vertical incision in the buccal side. c Preparation of subperiosteal cavity. d Bone graft material insertion into the tunnel. e After the placement of bone graft material. f Closure of the tunnelBack to article page