Fig. 1From: Bone augmentation with autologous tooth shell in the esthetic zone for dental implant restoration: a pilot studyIllustration of bone augmentation surgery using tooth shell (TS) technique in the esthetic zone. A Occlusal view before the operation; B–C exposure of deficient ridge, occlusal view (B) and buccal view (C) of the defect; D modification of extracted wisdom tooth; E rigid fixation of TS in defect site; F uneventful healing of soft tissueBack to article page