{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T16:33:35Z","timestamp":1792514015101,"version":"4.5.0"},"reference-count":41,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T00:00:00Z","timestamp":1675209600000},"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":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Occlusal overload is considered to be one of the causes of late implant failure. However, it is unclear whether the magnitude of the patient's occlusal force is a risk factor for late implant failure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This case\u2013control study aimed to clarify the association between the cross\u2010sectional area (CSA) of the masseter muscle and late implant failure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This case\u2013control study was limited to implant\u2010supported fixed prostheses. We compared cases with at least one late implant failure (<jats:italic>n<\/jats:italic>\u00a0=\u00a025 patients) to controls (<jats:italic>n<\/jats:italic>\u00a0=\u00a082 patients) without implant failure. Patients were matched by age, sex, year of surgery, jaw and tooth type, and bone graft. Log\u2010rank and Cox proportional hazard regression analyses were used to identify possible risk factors for late implant failure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The incidence of late implant failure was significantly associated with masseter muscle CSA \u2265504.5\u2009mm<jats:sup>2<\/jats:sup> (hazard ratio: 4.43; 95% CI: 1.82\u201310.79; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Higher masseter muscle CSA increases the risk of late implant failure.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13189","type":"journal-article","created":{"date-parts":[[2023,2,2]],"date-time":"2023-02-02T05:09:32Z","timestamp":1675314572000},"page":"313-320","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Masseter muscle cross\u2010sectional area and late implant failure: A case\u2013control study"],"prefix":"10.1111","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2437-1757","authenticated-orcid":false,"given":"Makiko","family":"Takashima","sequence":"first","affiliation":[{"name":"Oral Implant and Temporomandibular Joint Clinic Niigata University Medical and Dental Hospital  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5949-889X","authenticated-orcid":false,"given":"Yoshiaki","family":"Arai","sequence":"additional","affiliation":[{"name":"Oral Implant and Temporomandibular Joint Clinic Niigata University Medical and Dental Hospital  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nanaka","family":"Matsuzaki","sequence":"additional","affiliation":[{"name":"Oral Implant and Temporomandibular Joint Clinic Niigata University Medical and Dental Hospital  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuta","family":"Yamazaki","sequence":"additional","affiliation":[{"name":"Oral Implant and Temporomandibular Joint Clinic Niigata University Medical and Dental Hospital  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0855-9410","authenticated-orcid":false,"given":"Hideyoshi","family":"Nishiyama","sequence":"additional","affiliation":[{"name":"Division of Oral and Maxillofacial Radiology Niigata University Graduate School of Medical and Dental Sciences  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaname","family":"Nohno","sequence":"additional","affiliation":[{"name":"Department of Oral Health and Welfare Niigata University Graduate School of Medical and Dental Sciences  Niigata 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