{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T05:15:05Z","timestamp":1790486105050,"version":"4.1.0"},"reference-count":58,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,1,19]],"date-time":"2017-01-19T00:00:00Z","timestamp":1484784000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The longitudinal study assessed the risk of tooth loss under a non\u2010regenerative treatment regimen and aimed to identify prognostic factors for tooth loss.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Three hundred and fifteen patients (8009 teeth) were examined before (T0) and after active periodontal therapy (<jats:styled-content style=\"fixed-case\">APT<\/jats:styled-content>, T1) as well as after (mean\u00a0\u00b1\u00a0<jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>) 18\u00a0\u00b1\u00a06\u00a0years of supportive periodontal therapy (<jats:styled-content style=\"fixed-case\">SPT<\/jats:styled-content>, T2). Descriptive statistics and a Cox proportional hazards shared\u2010frailty model were applied.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall, 351 and 816 teeth were lost during <jats:styled-content style=\"fixed-case\">APT<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SPT<\/jats:styled-content>, respectively, with 0.15\u00a0\u00b1\u00a00.17 teeth being lost per patient and year. Seventy\u2010two percentage patients lost 0\u20133, 24% 4\u20139 and 4% \u226510 teeth. The proportion of teeth with probing\u2010pocket depths (<jats:styled-content style=\"fixed-case\">PPD<\/jats:styled-content>) &gt;6\u00a0mm was 17.2% (T0), 1.6% (T1) and remained stable at 1.7% up to T2. Tooth loss during <jats:styled-content style=\"fixed-case\">SPT<\/jats:styled-content> was significantly increased in older patients [<jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content> (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>): 1.04 (1.01\u20131.07) per year] and smokers [2.62 (1.34\u20135.14)], with each mm of <jats:styled-content style=\"fixed-case\">PPD<\/jats:styled-content> [1.35 (1.17\u20131.56)], in multirooted compared with single\u2010rooted teeth [1.86 (1.36\u20132.56)] and teeth with bone loss [BL; <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content> up to 23.6 (12.1\u201345.6) for BL\u00a0&gt;\u00a070%].<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The risk of tooth loss was generally low under the provided non\u2010regenerative treatment regimen; a minority of patients were responsible for the majority of teeth lost during <jats:styled-content style=\"fixed-case\">SPT<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.12680","type":"journal-article","created":{"date-parts":[[2016,12,28]],"date-time":"2016-12-28T01:29:16Z","timestamp":1482888556000},"page":"169-177","source":"Crossref","is-referenced-by-count":64,"title":["Long\u2010term tooth retention in chronic periodontitis \u2013 results after 18\u00a0years of a conservative periodontal treatment regimen in a university setting"],"prefix":"10.1111","volume":"44","author":[{"given":"Christian","family":"Graetz","sequence":"first","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Plaumann","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Schlattmann","sequence":"additional","affiliation":[{"name":"Institute of Medical Statistics, Computer Sciences and Documentation Jena University Hospital Jena Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maren","family":"Kahl","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudia","family":"Springer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9099-7750","authenticated-orcid":false,"given":"Sonja","family":"S\u00e4lzer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konstantin","family":"Gomer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christof","family":"D\u00f6rfer","sequence":"additional","affiliation":[{"name":"Clinic of Conservative Dentistry and Periodontology University of Kiel Kiel Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Falk","family":"Schwendicke","sequence":"additional","affiliation":[{"name":"Department of Operative and Preventive Dentistry Charit\u00e9 University of Berlin Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,1,19]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1902\/annals.1999.4.1.1"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2009.080454"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2011.01733.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1979.50.5.234"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12056"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12619"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2007.01051.x"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1993.64.8.701"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2006.00972.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2016.150554"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2010.01587.x"},{"key":"e_1_2_7_13_1","first-page":"107","article-title":"The relationship between diabetes mellitus and destructive periodontal disease: a meta\u2010analysis","volume":"7","author":"Chavarry N. 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