{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T22:12:35Z","timestamp":1777414355216,"version":"3.51.4"},"reference-count":47,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,8,18]],"date-time":"2025-08-18T00:00:00Z","timestamp":1755475200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background and Aim<\/jats:title><jats:p>Patients' disease perception plays a fundamental role in adherence to therapy and participation in long\u2010term maintenance programmes. This cross\u2010sectional study aimed to assess the cognitive and emotional representation of peri\u2010implant diseases (PIDs) in a cohort of patients with periodontitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients diagnosed with both periodontitis and PIDs were enrolled. Psychometric evaluation was conducted using the Brief Illness Perception Questionnaire (Brief\u2010IPQ) and the Oral Health Impact Profile\u201014. Differences were analysed based on disease severity, and a multivariate logistic regression model was applied to explore associations between patient and implant\u2010level variables and illness perception.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 148 patients (459 implants) were included. Patients exhibited low perception of PIDs, with no differences between peri\u2010implant mucositis and peri\u2010implantitis. However, participants with both peri\u2010implantitis and stage III\/IV periodontitis presented with significantly higher Brief\u2010IPQ scores. Having \u2265\u20093 implants and a history of periodontitis treatment were associated with a 4.16\u2010fold and 6.58\u2010fold increase, respectively, in the odds of a higher Brief\u2010IPQ score.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The cognitive and emotional representation of PIDs was found to be low among patients with both periodontitis and PIDs, but appeared to increase in more advanced clinical profiles. A higher number of implants and prior periodontal treatment were associated with greater disease representation.<\/jats:p><jats:p>\n<jats:bold>Trial Registration:<\/jats:bold> The study protocol was approved by the University Hospital of Siena Ethics Committee (Siena, Italy) (Sezione Area vasta Toscana Sud Est, no. 25906), and it was registered on <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/clinicaltrials.gov\">Clinicaltrials.gov<\/jats:ext-link> (registration number: NCT06383351)<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.70011","type":"journal-article","created":{"date-parts":[[2025,8,19]],"date-time":"2025-08-19T06:22:13Z","timestamp":1755584533000},"page":"1573-1583","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Cognitive and Emotional Peri\u2010Implant Diseases Perception in a Cohort of Periodontitis Patients: A University\u2010Based Cross\u2010Sectional Study"],"prefix":"10.1111","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-8704-5813","authenticated-orcid":false,"given":"Isabella","family":"De Rubertis","sequence":"first","affiliation":[{"name":"Unit of Periodontics, Department of Medical Biotechnologies University of Siena  Siena Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0562-2760","authenticated-orcid":false,"given":"Adriano","family":"Fratini","sequence":"additional","affiliation":[{"name":"Unit of Periodontics, Department of Medical Biotechnologies University of Siena  Siena Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alice","family":"Ferrari","sequence":"additional","affiliation":[{"name":"Unit of Periodontics, Department of Medical Biotechnologies University of Siena  Siena 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