{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T20:47:50Z","timestamp":1793047670387,"version":"4.5.0"},"reference-count":85,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T00:00:00Z","timestamp":1611619200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to investigate the association between dental implant therapy and osteonecrosis of the jaw (ONJ) in osteoporotic patients and the relationship between tooth extraction, dental implantation, and ONJ.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>This retrospective cohort study used the Customized Health Information Data from the National Health Insurance Corporation in South Korea. The study population included patients older than 70\u00a0years with a history of osteoporosis; the cases included patients who had undergone dental implant surgery between July 2014 and July 2016 with specific procedure codes. The case and control cohorts were stratified by tooth extraction because it was the strongest risk factor to consider in this study. Each group of patients was matched using the propensity score. To investigate the relationship between dental implants and ONJ, a Cox proportional hazard model was applied to socio\u2010economic factors, comorbidities, and bisphosphonates (BPs). All analyses were conducted using SAS statistical software.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Based on the fully adjusted model, the propensity score\u2010matched osteoporosis patients with dental implants had a 0.51 times hazard ratio of osteonecrosis. On the contrary, tooth extraction was associated with a higher risk of ONJ (HR\u00a0=\u00a05.89). The patients with rheumatoid arthritis (RA) and those using BPs had a higher HR, respectively, 6.80 and 4.09 HR (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Dental implantation was not a risk factor and patients with implants show rather lower ratios. However, older osteoporotic Korean patients who had undergone tooth extraction had higher risks of ONJ. A significantly higher risk of ONJ was associated with RA and BPs as well.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13713","type":"journal-article","created":{"date-parts":[[2021,1,16]],"date-time":"2021-01-16T10:48:45Z","timestamp":1610794125000},"page":"437-447","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Is implant surgery a risk factor for osteonecrosis of the jaw in older adult patients with osteoporosis? A national cohort propensity score\u2010matched study"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1923-8030","authenticated-orcid":false,"given":"Jae\u2010In","family":"Ryu","sequence":"first","affiliation":[{"name":"Department of Preventive and Social Dentistry School of Dentistry Kyung Hee University Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0651-2213","authenticated-orcid":false,"given":"Ha\u2010Young","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine Gangneung Asan Hospital University of Ulsan College of Medicine Gangneung\u2010si South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9620-4814","authenticated-orcid":false,"given":"Yong\u2010Dae","family":"Kwon","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery School of Dentistry Kyung Hee University Seoul South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,1,26]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.11607\/jomi.19suppl.g3"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcms.2017.05.028"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-012-0880-4"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034510397196"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(12)60240-2"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.2147\/CLEP.S37664"},{"key":"e_1_2_8_8_1","first-page":"CD012432","article-title":"Interventions for managing medication\u2010related osteonecrosis of the jaw","volume":"10","author":"Beth\u2010Tasdogan N. 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