{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T12:19:10Z","timestamp":1776082750687,"version":"3.50.1"},"reference-count":45,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,6,22]],"date-time":"2024-06-22T00:00:00Z","timestamp":1719014400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To study the use of a quasi\u2010experimental design to assess the effects of scaling reimbursement policies on the incidence of chronic\u2010periodontitis procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Interrupted time series analysis was used to compare the effects before and after policy implementation using data on the number of periodontitis\u2010related procedures from the Korean National Health Insurance Service\u2010National Sample Cohort (<jats:italic>n<\/jats:italic>\u2009=\u2009740,467) and the Health Screening Cohort (<jats:italic>n<\/jats:italic>\u2009=\u2009337,904). Periodontitis\u2010related procedures with diagnosis codes were categorized into basic (scaling or root planing), intermediate (subgingival curettage) and advanced (tooth extraction, periodontal flap surgery, bone grafting for alveolar bone defects or guided tissue regeneration). Subjects' demographics and comorbidities were considered. The incidence rate of immediate changes and gradual effects before and after policy implementation was assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Following the policy implementation from July 2013, an immediate increase was observed in total and basic procedures. No significant changes were noted in intermediate and advanced procedures initially. A decrease in the slope of intermediate procedures was observed in both databases. Advanced procedures showed varied trends, with no change in the National Sample Cohort but an increase in the Health Screening Cohort, particularly among subjects with comorbidities.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Following the new policy implementation, the number of intermediate procedures decreased while the number of advanced procedures increased, especially among patients with comorbidities. These findings offer valuable insights on policy evaluation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.14031","type":"journal-article","created":{"date-parts":[[2024,6,22]],"date-time":"2024-06-22T07:53:26Z","timestamp":1719042806000},"page":"1188-1198","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Interrupted time series analysis of chronic periodontitis\u2010related procedures before and after the scaling reimbursement policy in Korea"],"prefix":"10.1111","volume":"51","author":[{"given":"Yu\u2010Rin","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Dental Hygiene Silla University  Busan Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seon\u2010Rye","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Healthcare Management Youngsan University  Yangsan Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0047-3102","authenticated-orcid":false,"given":"Minkook","family":"Son","sequence":"additional","affiliation":[{"name":"Department of Physiology Dong\u2010A University College of Medicine  Busan Republic of Korea"},{"name":"Department of Data Sciences Convergence Dong\u2010A University Interdisciplinary Program  Busan Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,6,22]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034519846113"},{"key":"e_1_2_11_3_1","first-page":"99","article-title":"Chapter 7. 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