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The German Oral Health Studies (<jats:styled-content style=\"fixed-case\">DMS<\/jats:styled-content>, 35\u201344 and 65\u201374\u00a0years) are national cross\u2010sectional population\u2010based surveys conducted in 1997 (<jats:styled-content style=\"fixed-case\">DMS III<\/jats:styled-content>,<jats:italic>n<\/jats:italic>\u00a0=\u00a01454) and 2005 (<jats:styled-content style=\"fixed-case\">DMS IV<\/jats:styled-content>,<jats:italic>n<\/jats:italic>\u00a0=\u00a01668), whose results were separately reported for West and East Germany. Prevalences, percentages and numbers of teeth affected were defined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In<jats:styled-content style=\"fixed-case\">SHIP<\/jats:styled-content>, prevalence of attachment loss (<jats:styled-content style=\"fixed-case\">AL<\/jats:styled-content>) \u22653\u00a0mm decreased from 89.7% (95% confidence interval (<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>): 88.6\u201390.8) to 85.1% (95%<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 83.9\u201386.3) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05) and the mean extent reduced from 62.8% (95%<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 61.7\u201363.8) to 55.9% (95%<jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 54.9\u201356.9) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Probing depth (<jats:styled-content style=\"fixed-case\">PD<\/jats:styled-content>) \u22654\u00a0mm and the respective extent remained unchanged. In West Germany,<jats:styled-content style=\"fixed-case\">AL<\/jats:styled-content>\u22653\u00a0mm decreased for 35\u201344\u2010year\u2010olds and increased for 65\u201374\u2010year\u2010olds (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). In<jats:styled-content style=\"fixed-case\">SHIP<\/jats:styled-content>and<jats:styled-content style=\"fixed-case\">DMS<\/jats:styled-content>, the number of teeth in dentates increased significantly in all age groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Prevalences and extents of<jats:styled-content style=\"fixed-case\">AL<\/jats:styled-content>improved almost in all age categories in<jats:styled-content style=\"fixed-case\">SHIP<\/jats:styled-content>and West German adults, whereas<jats:styled-content style=\"fixed-case\">PD<\/jats:styled-content>s remained unchanged. Nonetheless, the improvement of periodontal conditions implies an increase of treatment needs regarding moderately diseased teeth because of simultaneous increases of the number of present teeth.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.12352","type":"journal-article","created":{"date-parts":[[2014,12,11]],"date-time":"2014-12-11T13:47:53Z","timestamp":1418305673000},"page":"121-130","source":"Crossref","is-referenced-by-count":56,"title":["Changes in prevalence of periodontitis in two German population\u2010based studies"],"prefix":"10.1111","volume":"42","author":[{"given":"Svenja","family":"Sch\u00fctzhold","sequence":"first","affiliation":[{"name":"Unit of Periodontology Department of Restorative Dentistry, Periodontology, and\u00a0Endodontology University Medicine Ernst\u2010Moritz\u2010Arndt\u2010University Greifswald Greifswald Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Kocher","sequence":"additional","affiliation":[{"name":"Unit of Periodontology Department of Restorative Dentistry, Periodontology, and\u00a0Endodontology University Medicine Ernst\u2010Moritz\u2010Arndt\u2010University Greifswald Greifswald Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reiner","family":"Biffar","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, Gerodontology, and Biomaterials Centre of Oral Health Greifswald University Greifswald Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Hoffmann","sequence":"additional","affiliation":[{"name":"Department of Periodontology Medical Faculty Carl Gustav Carus Dresden Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carsten O.","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Institute for Community Medicine University Medicine of Greifswald Greifswald Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wolfgang","family":"Micheelis","sequence":"additional","affiliation":[{"name":"Institute of German Dentists K\u00f6ln Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rainer","family":"Jordan","sequence":"additional","affiliation":[{"name":"Institute of German Dentists K\u00f6ln Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Birte","family":"Holtfreter","sequence":"additional","affiliation":[{"name":"Unit of Periodontology Department of Restorative Dentistry, Periodontology, and\u00a0Endodontology University Medicine Ernst\u2010Moritz\u2010Arndt\u2010University Greifswald Greifswald Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,2,10]]},"reference":[{"key":"e_1_2_5_2_1","first-page":"71","volume-title":"Beitr\u00e4ge zur Gesundheitsberichterstattung des Bundes","author":"Atzpodien K.","year":"2009"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0757.2012.00449.x"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0528.1993.tb01097.x"},{"key":"e_1_2_5_5_1","first-page":"1","article-title":"Trends in oral health status: United States, 1988\u20131994 and 1999\u20132004","volume":"00","author":"Dye B. 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