{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T16:30:18Z","timestamp":1787589018562,"version":"build-2736575974"},"reference-count":26,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2023,7,10]],"date-time":"2023-07-10T00:00:00Z","timestamp":1688947200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100008736","name":"Fondo de Fomento al Desarrollo Cient\u00edfico y Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["2210101"],"award-info":[{"award-number":["2210101"]}],"id":[{"id":"10.13039\/501100008736","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007619","name":"Osteology Foundation","doi-asserted-by":"publisher","award":["20\u2010054"],"award-info":[{"award-number":["20\u2010054"]}],"id":[{"id":"10.13039\/501100007619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The aim of this investigation was to estimate the prevalence, severity and extent of mid\u2010buccal gingival recessions (GRs; classified according to the 2018 Classification System) and to identify their risk indicators in the South American population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Epidemiological data from two cross\u2010sectional studies\u2014performed on 1070 South American adolescents and 1456 Chilean adults\u2014were obtained. All participants received a full\u2010mouth periodontal examination by calibrated examiners. GR prevalence was defined as the presence of at least one mid\u2010buccal GR\u2009\u2265\u20091\u2009mm. GRs were also categorized into different recession types (RTs) according to the 2018 World Workshop Classification System. Analyses for RT risk indicators were also performed. All analyses were carried out at the participant level.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The prevalence of mid\u2010buccal GRs was 14.1% in South American adolescents and 90.9% in Chilean adults. In South American adolescents, the prevalence of RTs was 4.3% for RT1 GRs, 10.7% for RT2 GRs and 1.7% for RT3 GRs. In Chilean adults, the prevalence of RT1 GRs was 0.3%, while the prevalence of RT2 and RT3 GRs was 85.8% and 77.4%, respectively. Full\u2010Mouth Bleeding Score (FMBS; &lt;25%) was associated with the presence of RT1 GRs in adolescents. The risk indicators for RT2\/RT3 GRs mainly overlapped with those for periodontitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Mid\u2010buccal GRs affected 14.1% of South American adolescents, whereas they affected most of the Chilean adult population (&gt;90%). While RT1 GRs are more commonly observed in a non\u2010representative cohort of South American adolescents (when compared to Chilean adults), the majority of Chilean adults exhibit RT2\/RT3 GRs.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.13847","type":"journal-article","created":{"date-parts":[[2023,7,11]],"date-time":"2023-07-11T03:44:34Z","timestamp":1689047074000},"page":"1336-1347","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Epidemiology of mid\u2010buccal gingival recessions according to the 2018 Classification System in South America: Results from two population\u2010based studies"],"prefix":"10.1111","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5832-7327","authenticated-orcid":false,"given":"Franz Josef","family":"Strauss","sequence":"first","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center of Dental Medicine University of Zurich  Zurich 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Faculty of Dentistry University of Costa Rica  San Jos\u00e9 Costa Rica"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2055-1320","authenticated-orcid":false,"given":"Ronald E.","family":"Jung","sequence":"additional","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center of Dental Medicine University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariano","family":"Sanz","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dentistry University of Oslo  Oslo Norway"},{"name":"ETEP (Etiology and Therapy of Periodontal and Peri\u2010Implant Diseases) Research Group University Complutense of Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7703-6587","authenticated-orcid":false,"given":"Jorge","family":"Gamonal Aravena","sequence":"additional","affiliation":[{"name":"Department 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