{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T19:13:41Z","timestamp":1784402021637,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2018,1,19]],"date-time":"2018-01-19T00:00:00Z","timestamp":1516320000000},"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":[[2018,3]]},"abstract":"Abstract<\/jats:title>Background<\/jats:title>Periodontal involvement of the furcation area (furcation involvement, FI<\/jats:styled-content>) has been reported to confer molars a higher risk of tooth loss.<\/jats:p><\/jats:sec>Aims<\/jats:title>The aim of this retrospective analysis was to assess the effect of FI<\/jats:styled-content> on disease progression and tooth loss in molars of patients with chronic periodontitis undergoing supportive periodontal therapy (SPT<\/jats:styled-content>) in a UK<\/jats:styled-content> private practice setting.<\/jats:p><\/jats:sec>Materials and Methods<\/jats:title>Six\u2010hundred and thirty\u2010three molars were analysed in 100 chronic periodontitis patients treated with active periodontal therapy (APT<\/jats:styled-content>) and followed up in SPT<\/jats:styled-content> for at least 5\u00a0years. Molars were treated with a combination of resective, regenerative or conservative approaches, according to the different clinical needs.<\/jats:p><\/jats:sec>Results<\/jats:title>Twenty\u2010three molars were extracted during APT<\/jats:styled-content> and a further 23 were lost during SPT<\/jats:styled-content>. Multivariable analysis showed that both horizontal FI<\/jats:styled-content> and vertical furcation component were associated with increased risk of tooth loss during SPT<\/jats:styled-content> (OR<\/jats:styled-content> 5.26, 95% CI<\/jats:styled-content>: 1.46\u201319.03, p<\/jats:italic>\u00a0=\u00a0.012 and OR<\/jats:styled-content> 9.83, 95% CI<\/jats:styled-content>: 1.83\u201350.11, p<\/jats:italic>\u00a0=\u00a0.006, respectively).<\/jats:p><\/jats:sec>Conclusion<\/jats:title>Attention should be placed on both horizontal and vertical FI in molars, owing to their association with tooth loss during SPT<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.12850","type":"journal-article","created":{"date-parts":[[2017,12,8]],"date-time":"2017-12-08T13:28:47Z","timestamp":1512739727000},"page":"373-381","source":"Crossref","is-referenced-by-count":51,"title":["The effect of horizontal and vertical furcation involvement on molar survival: A retrospective study"],"prefix":"10.1111","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7750-5010","authenticated-orcid":false,"given":"Luigi","family":"Nibali","sequence":"first","affiliation":[{"name":"Centre for Immunobiology & Regenerative Medicine and Centre for Oral Clinical Research Institute of Dentistry, Barts and the London School of Medicine and Dentistry Queen Mary University of London (QMUL) London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chuanming","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Periodontology Faculty of Dentistry Suzhou Health College Suzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aliye","family":"Akcal\u0131","sequence":"additional","affiliation":[{"name":"Centre for Immunobiology & Regenerative Medicine and Centre for Oral Clinical Research Institute of Dentistry, Barts and the London School of Medicine and Dentistry Queen Mary University of London (QMUL) London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi\u2010Chun","family":"Yeh","sequence":"additional","affiliation":[{"name":"Institute of Epidemiology and Preventive Medicine College of Public Health National Taiwan University Taipei Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2461-474X","authenticated-orcid":false,"given":"Yu\u2010Kang","family":"Tu","sequence":"additional","affiliation":[{"name":"Institute of Epidemiology and Preventive Medicine College of Public Health National Taiwan University Taipei Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikos","family":"Donos","sequence":"additional","affiliation":[{"name":"Centre for Immunobiology & Regenerative Medicine and Centre for Oral Clinical Research Institute of Dentistry, Barts and the London School of Medicine and Dentistry Queen Mary University of London (QMUL) London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,1,19]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2003.74.9.1255"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12488"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1998.69.3.328"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jcpe.12460"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2005.00814.x"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.1975.tb01734.x"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0303-6979.2004.00455.x"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01358.x"},{"key":"e_1_2_7_10_1","first-page":"87","article-title":"The prevalence and alterations of furcation involvements 13 to 16\u00a0years after periodontal treatment","volume":"37","author":"Johansson K. 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