{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T23:41:01Z","timestamp":1792280461523,"version":"4.4.0"},"reference-count":36,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,1,31]],"date-time":"2022-01-31T00:00:00Z","timestamp":1643587200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Chronic periodontitis is highly prevalent among older adults. The study aimed to compare periodontal disease among Australian older adults in two generations. We hypothesized that the prevalence and severity of periodontitis would decrease from the previous generation to the recent generation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data were obtained from the South Australian Dental Longitudinal Study (SADLS) in 1991 to 1992 (SADLS I) and 2013 to 2014 (SADLS II); population\u2010based longitudinal surveys of Australian older adults aged \u226560 years. American Academy of Periodontology, the US Centers for Disease Control and Prevention (AAP\/CDC), and the 2018 European Federation of Periodontology (EFP\/AAP) classification case definitions were used to define and calculate prevalence of chronic periodontitis. Multivariable log\u2010Poisson regression models were used to identify risk indicators for severe periodontitis after adjusting for other covariates.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were a total of 801 and 355 participants that underwent a periodontal exam in SADLS I and II, respectively. The prevalence of severe periodontitis was higher in the recent generation (88% and 56%) than the previous generation (75% and 46.7%) under the CDC\/AAP and EFP\/AAP case definitions, respectively. The mean number of missing teeth was lower in the recent generation (6) than the previous generation (13). The prevalence ratio of severe periodontitis was around two times higher in the younger age group, men, those not born in Australia, and current smokers across both generations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our findings indicated that the recent generation of older adults has higher prevalence and severity of chronic periodontitis than the previous generation. Our findings indicated that aging, being male, born overseas, low household income, no dental insurance, and being a current smoker are significant risk factors associated with severe periodontitis among older Australians.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jper.21-0458","type":"journal-article","created":{"date-parts":[[2021,12,27]],"date-time":"2021-12-27T01:59:53Z","timestamp":1640570393000},"page":"1387-1400","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Prevalence, extent, and severity of periodontitis among Australian older adults: Comparison of two generations"],"prefix":"10.1002","volume":"93","author":[{"given":"Xiangqun","family":"Ju","sequence":"first","affiliation":[{"name":"Australian Research Centre for Population Oral Health (ARCPOH), Adelaide Dental School University of Adelaide  Adelaide South Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jane","family":"Harford","sequence":"additional","affiliation":[{"name":"Australian Research Centre for Population Oral Health (ARCPOH), Adelaide Dental School University of Adelaide  Adelaide South Australia Australia"},{"name":"College of Nursing and Health Sciences Flinders University  Adelaide South Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liana","family":"Luzzi","sequence":"additional","affiliation":[{"name":"Australian Research Centre for Population Oral Health (ARCPOH), Adelaide Dental School University of Adelaide  Adelaide South Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa M.","family":"Jamieson","sequence":"additional","affiliation":[{"name":"Australian Research Centre for Population Oral Health (ARCPOH), Adelaide Dental School University of Adelaide  Adelaide South Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,1,31]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph16193662"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0757.2002.03002.x"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034517693566"},{"key":"e_1_2_8_5_1","unstructured":"SladeG SpencerA Roberts\u2010ThomsonK.Australia's dental generations: the national survey of adult oral health 2004\u201006.2007;Vol. AIHW cat. no. 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