[Progress in diagnosis of peri-implantitis].

Peri-implantitis is one of the most common biological complications after implant restoration which is difficult to be cured. Early and correct diagnosis is of great significance for the prevention and treatment of peri-implantitis. Although there have been consensus reports to make guiding suggestions in diagnosis, the diagnostic criteria are not uniform, resulting in many confusions. This review summarizes published consensuses on the diagnosis of peri-implantitis, analyzes the diagnostic values and limitations of traditional examination methods, and summarizes the recent advances in examination methods for peri-implant soft and hard tissues, aiming to provide a reference for clinical diagnosis of peri-implantitis.