Fig. 5From: Soft-tissue grafting for peri-implantitis—a treatment option in case of unsuitable skeletal basic morphology of the alveolar bone and lack of keratinized mucosa: a retrospective clinical cohort studyCrater-shaped peri-implant defects. Granulation tissue was removed followed by peri-implant osteotomie with the objective of optimizing subsequent soft-tissue transplantationBack to article page