Pondering the problem of peri-implant pathology.

Data Sources: Randomised control trials were identified via searches of PubMed, Embase, Web of Science and The Cochrane Library.

Study Selection: Only randomised control trials involving adults with at least a single dental implant which had experienced peri-implant mucositis or peri-implantitis were considered. Within studies, one cohort must have been treated with a combination of mechanical debridement (MD) and non-surgical strategies, and the other solely by mechanical debridement.