Fig. 1

Patient 1: Buccal view of an implant regio 11. Implant (Camlog Vertriebs GmbH, Wimsheim, Germany, implant 10 years in situ) with buccal severe peri-implantitis. (8 mm PPD/pus+). Implant is partly exposed and its position is at the apical base. Reconstruction using bone grafting is therefore contraindicated. Patient (75 years old) refused explanation