{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T05:26:21Z","timestamp":1788931581510,"version":"build-2803163510"},"reference-count":54,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,12,23]],"date-time":"2024-12-23T00:00:00Z","timestamp":1734912000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100008368","name":"Gigtforeningen","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008368","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002739","name":"Aarhus Universitets Forskningsfond","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002739","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Comm Dent Oral Epid"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The study aimed to estimate the effect of a periodontal treatment policy that would restrict the receipt of periodontal therapy to no more than once every second year, on the 10\u2010year risk of tooth extraction among Danish adults.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data from linked nationwide Danish registers consisted of a random sample of 20\u2009000 50\u2010year\u2010olds who were followed from the beginning of 1990 to the end of 2021. The longitudinal modified treatment policies\u2019 causal inference framework was used. In each of two slightly different counterfactual scenarios, the receipt of supragingival or subgingival periodontal therapy was restricted to no more than once every second year. The cumulative incidence of tooth extraction from 2012 to 2021 was compared between the counterfactual scenarios and the observed periodontal visiting pattern, while informative censoring, and time\u2010varying and time\u2010invariant confounding were accounted for using the social, economic and dental service utilisation history.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>During the 10\u2010year follow\u2010up period, 5021 (25.1%) individuals received at least one tooth extraction. In the two counterfactual scenarios, the number of years receiving supragingival or subgingival periodontal therapy was 30%\u201350% lower than in the observed data. The 10\u2010year cumulative incidence of tooth loss was practically the same in the two counterfactual scenarios as under the observed periodontal visiting patterns.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The findings indicate that a considerable decrease in the number and frequency of periodontal care visits would not have significant impact on the incidence of tooth loss in Denmark.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cdoe.13022","type":"journal-article","created":{"date-parts":[[2024,12,24]],"date-time":"2024-12-24T03:19:36Z","timestamp":1735010376000},"page":"205-215","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Restricting Periodontal Treatment Frequency: Impact on Tooth Loss in Danish Adults"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9258-9355","authenticated-orcid":false,"given":"Eero","family":"Raittio","sequence":"first","affiliation":[{"name":"Department of Dentistry and Oral Health Aarhus University  Aarhus Denmark"},{"name":"Institute of Dentistry University of Eastern Finland  Kuopio Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6170-507X","authenticated-orcid":false,"given":"Rodrigo","family":"Lopez","sequence":"additional","affiliation":[{"name":"Center for Translational Oral Research \u2010 Periodontology, Department of Clinical Dentistry University of Bergen  Bergen Norway"},{"name":"School of Dentistry, Faculty of Medicine Pontificia Universidad Cat\u00f3lica de Chile  Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2195-8053","authenticated-orcid":false,"given":"Vibeke","family":"Baelum","sequence":"additional","affiliation":[{"name":"Department of Dentistry and Oral Health Aarhus University  Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,12,23]]},"reference":[{"key":"e_1_2_12_2_1","article-title":"Recall Intervals for Oral Health in Primary Care Patients","volume":"10","author":"Fee P. 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