Fig. 1From: Hard and soft tissue regeneration of severe peri-implantitis defects with the laser-assisted peri-implant defect regeneration technique: 3-year resultsIllustration of the LAPIDER treatment approach. a Presence of a severe peri-implantitis defect. b Split-flap preparation from mucogingival border in apical direction. c Apical separation of the periosteum and subperiosteal coronal flap elevation. d Peri-implant defect cleaning and decontamination of the implant surface by the Er:YAG laser. e Subperiosteal connective tissue grafting. f Peri-implant defect augmentation with autogenous bone chips. g Periosteal mattress suturing with resorbable suturing material. h Mucosal suturing for a bilaminar wound closureBack to article page