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Prevalence and risk indicators of peri‐implantitis in a sample of university‐based dental patients in Italy: A cross‐sectional study

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AIM Reports regarding prevalence of peri-implant diseases show widely varying prevalence rates, which can be explained partially by variable diagnostic criteria adopted. Furthermore, several different factors have been associated with… Click to show full abstract

AIM Reports regarding prevalence of peri-implant diseases show widely varying prevalence rates, which can be explained partially by variable diagnostic criteria adopted. Furthermore, several different factors have been associated with peri-implant diseases. Hence, the aim of this cross-sectional study is to (a) determine the prevalence, extent and severity of peri-implant diseases in patients enrolled in a university dental clinic and (b) to evaluate the association between peri-implantitis and patient/implant-related factors. MATERIAL AND METHODS A total of 237 subjects from the Dental Department of Vita-Salute San Raffaele University (Milan, Italy) with 831 implants with more than 1 year of follow-up after loading were clinically evaluated. Implants showing bleeding on probing (BOP), with or without suppuration, and/or probing pocket depth (PPD) ≥ 4 mm, were radiographically analysed. Demographic and clinical data were collected to evaluate by multilevel regression analysis association with peri-implantitis. RESULTS The prevalence of peri-implant mucositis and peri-implantitis was 38.8% and 35%, respectively. Patients with a FMBS > 25%, having ≥4 implants as well as implants with plaque, PPD ≥ 4 mm or less than 1 mm of keratinized mucosa presented higher odds ratios for peri-implantitis. CONCLUSIONS Peri-implant diseases are frequent conditions affecting >70% of the patients. Several patient/implant-related factors may influence the risk for peri-implantitis.

Keywords: peri implant; peri implantitis; implant diseases; prevalence

Journal Title: Journal of Clinical Periodontology
Year Published: 2019

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