{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T01:24:54Z","timestamp":1786929894244,"version":"build-2736575974"},"reference-count":34,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,7,19]],"date-time":"2026-07-19T00:00:00Z","timestamp":1784419200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,19]],"date-time":"2026-07-19T00:00:00Z","timestamp":1784419200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>This retrospective cohort study evaluate tooth loss and predictors during exceptionally long term supportive periodontal care (SPC), focusing on residual disease severity at SPC initiation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Seventy patients maintained under SPC for &gt;\u200930\u2009years were analysed using negative binomial regression (log[SPC\u2010duration] offset) and Cox proportional hazards models (clustered by patient).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Over a mean SPC duration of 36.1\u2009\u00b1\u20093.0 [30\u201343] years, 63 patients lost 322 teeth (4.6\u2009\u00b1\u20094.2 per patient; 0.13\u2009\u00b1\u20090.12 per patient\u2010year). Despite advanced baseline disease (stage III\/IV: 97%), 35\u2010year molar survival was 77% for FI 0 versus 51% for FI II\u2013III. Tooth loss rate was significantly associated with PPD \u2265\u20096\u2009mm (IRR 1.012; 95% CI 1.003\u20131.021;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.009) and molar FI II\u2013III (IRR 1.178; 95% CI 1.050\u20131.321;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.005). A tooth\u2010level Cox model confirmed elevated hazard for PPD \u2265\u20096\u2009mm (HR 4.02; 95% CI 2.10\u20137.69) and FI II\u2013III (HR 2.87; 95% CI 1.61\u20135.11). However, predictive accuracy was modest (PPV 36%\u201355%), indicating these markers reflect population\u2010level risk rather than individual prognosis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Tooth loss remained low over &gt;\u200930\u2009years of SPC even for molars with advanced FI, while residual disease severity modulated this risk. Given strong survivorship bias (3.3% of eligible patients), generalisability beyond university\u2010based specialist care is limited.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpe.70173","type":"journal-article","created":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T00:18:11Z","timestamp":1784506691000},"page":"1481-1490","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tooth Loss During Supportive Periodontal Care (SPC): A Three Decades Retrospective Study in a University Setting"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8183-9200","authenticated-orcid":false,"given":"M.","family":"Cyris","sequence":"first","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Bartels","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Kahl","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Springer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9099-7750","authenticated-orcid":false,"given":"S.","family":"S\u00e4lzer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6261-3609","authenticated-orcid":false,"given":"K.","family":"Fawzy El\u2010Sayed","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"},{"name":"Oral Medicine and Periodontology Department, Faculty of Dentistry Cairo University  Giza Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2508-8075","authenticated-orcid":false,"given":"C. E.","family":"D\u00f6rfer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7845-1616","authenticated-orcid":false,"given":"Li\u2010Li","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Periodontology, The Second Affiliated Hospital, School of Medicine Zhejiang University  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8316-0565","authenticated-orcid":false,"given":"C.","family":"Graetz","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University Hospital Schleswig\u2010Holstein  Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,19]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13770"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u2010051X.2004.00563.x"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13225"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13488"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12935"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/jre.12087"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100757.2011.00413.x"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13877"},{"issue":"2","key":"e_1_2_10_10_1","first-page":"41","article-title":"Proposal of a Clinical Endpoint for Periodontal Trials: The Treat\u2010To\u2010Target Approach","volume":"22","author":"Feres M.","year":"2020","journal-title":"Journal of the International Academy of Periodontology"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100757.2012.00457.x"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jdent.2020.103307"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u2010051X.2011.01743.x"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13157"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12680"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13324"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12124"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u2010051x.1975.tb01734.x"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13943"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.13118"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600\u2010051x.2000.027011866.x"},{"key":"e_1_2_10_22_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600\u2010051x.2002.291208.x"},{"key":"e_1_2_10_23_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034519864889"},{"issue":"1","key":"e_1_2_10_24_1","first-page":"7","article-title":"Periodontal Risk Assessment (PRA) for Patients in Supportive Periodontal Therapy (SPT)","volume":"1","author":"Lang N. 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