{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T18:27:14Z","timestamp":1786991234975,"version":"build-2736575974"},"reference-count":51,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T00:00:00Z","timestamp":1780358400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T00:00:00Z","timestamp":1780358400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100014188","name":"Ministry of Science and ICT, South Korea","doi-asserted-by":"publisher","award":["RS\u20102024\u201000339519"],"award-info":[{"award-number":["RS\u20102024\u201000339519"]}],"id":[{"id":"10.13039\/501100014188","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100014188","name":"Ministry of Science and ICT, South Korea","doi-asserted-by":"publisher","award":["RS\u20102026\u201025494833"],"award-info":[{"award-number":["RS\u20102026\u201025494833"]}],"id":[{"id":"10.13039\/501100014188","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Insomnia is associated with various systemic conditions; however, its relationship with structural dental outcomes\u2014particularly tooth wear and tooth fracture\u2014has not been well defined.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To investigate the association between clinically diagnosed insomnia and the incidence of tooth wear and fracture in a nationwide population\u2010based cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Data were obtained from the Korean National Health Insurance Service\u2014National Sample Cohort. Adults aged \u2265\u200920\u2009years who underwent health screening between 2011 and 2014 were included. Insomnia was defined using the International Classification of Diseases, 10th Revision codes, and prescription records of hypnotics. Two separate cohorts were constructed for tooth wear and fracture outcomes. Individuals with prior diagnoses of bruxism, temporomandibular disorders, malignant neoplasms, certain psychiatric or neurological disorders, or insomnia during the washout period were excluded. Propensity score matching (1:3) was applied, and hazard ratios (HRs) with 95% confidence intervals (CIs) were estimated using the Cox proportional hazards models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>After matching, 81\u2009096 participants were included in the tooth wear cohort and 82\u2009256 in the tooth fracture cohort. Individuals with insomnia exhibited significantly higher incidence rates of tooth wear (29.02 vs. 26.27 per 1000 person\u2010years; adjusted HR: 1.10, 95% CI: 1.06\u20131.15) and tooth fracture (16.70 vs. 13.63 per 1000 person\u2010years; adjusted HR: 1.20, 95% CI: 1.13\u20131.26) than controls.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Clinically diagnosed insomnia was modestly but significantly associated with increased risks of tooth wear and fracture, underscoring the need for early oral health evaluation and coordinated care between dental and sleep medicine professionals.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/joor.70226","type":"journal-article","created":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T05:41:10Z","timestamp":1780465270000},"page":"1712-1724","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Insomnia and Risk of Tooth Wear and Fracture: Evidence From a Nationwide Population\u2010Based Cohort"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1735-3809","authenticated-orcid":false,"given":"Heon\u2010Young","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Ewha Womans University Medical Center  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nahyun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences, Dental Science Ewha Womans University School of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5297-5059","authenticated-orcid":false,"given":"Jung\u2010Hyun","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery College of Medicine, Ewha Womans University  Seoul Republic of Korea"},{"name":"Ewha Dental AI &amp; Bio Innovation Global Research Institute, Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gwang Hyun","family":"Leem","sequence":"additional","affiliation":[{"name":"Department of Public Health Sciences Graduate School of Public Health, Seoul National University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0439-7389","authenticated-orcid":false,"given":"Hyo\u2010Jung","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Section of Dentistry Seoul National University Bundang Hospital  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sooyeon","family":"Nam","sequence":"additional","affiliation":[{"name":"College of Medicine, Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heeyeon","family":"Kim","sequence":"additional","affiliation":[{"name":"College of Medicine, Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sun\u2010Jong","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Ewha Womans University Medical Center  Seoul Republic of Korea"},{"name":"Department of Oral and Maxillofacial Surgery College of Medicine, Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1672-5730","authenticated-orcid":false,"given":"Jin\u2010Woo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery College of Medicine, Ewha Womans University  Seoul Republic of Korea"},{"name":"Ewha Dental AI &amp; 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