Fig. 2From: Investigation of peri-implant tissue conditions and peri-implant tissue stability in implants placed with simultaneous augmentation procedure: a 3-year retrospective follow-up analysis of a newly developed bone level implant systemClinical image of patient 4: a region 21 before implant placement. b, c Implant placement using the GBR procedure with a synthetic bone substitute material composed of HA + β-TCPBack to article page