This studies aims to investigate the effect of a probiotics in peri-implantitis patients as an adjunct to non-surgical therapy.~Study design: This study will be a single centre (Department of Oral Health Sciences, University Hospitals Leuven), double blind randomized, placebo controlled clinical trial. The randomization (by means of a computer program) and double blind design are thought to minimize the bias of the investigator and patients.~Selection of the study population: Adults, who consult at the departement of Periodontology at the University Hospital Leuven, with peri-implantitis and who fit the inclusion criteria will be asked to participate in this study.
This studies aims to investigate the effect of a probiotics in peri-implantitis patients as an adjunct to non-surgical therapy.