{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T00:52:36Z","timestamp":1747183956225,"version":"3.40.5"},"reference-count":50,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,3,18]],"date-time":"2024-03-18T00:00:00Z","timestamp":1710720000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>In recent years, platform switching implant treatment has been increasing, which is believed to minimize bone loss around the implant after placement. However, there have been no reports on the relationship between keratinized mucosa width (KMW) and bone loss and soft tissue recession in platform switching implants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>We evaluated the effect of the KMW on the amount of bone loss and soft tissue recession around a platform switching implant retrospectively using multivariate analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>This one\u2010year retrospective study included 91 implants in 48 patients. Age, sex, a history of periodontitis, implant location, oral hygiene status, and the KMW were included as explanatory variables to evaluate bone loss (BL) and buccal gingival height (GH). Generalized estimating equations (GEEs) were used to evaluate the effect of the KMW on platform switching peri\u2010implant tissues.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean bone loss on the mesial (\u0394BLm), distal (\u0394BLd), and buccal (\u0394BLb) sides of the implant were 0.16\u2009\u00b1\u20090.27\u2009mm, 0.19\u2009\u00b1\u20090.34\u2009mm, and 0.24\u2009\u00b1\u20090.50\u2009mm, respectively, at 1\u2009year after superstructure placement. The mean amount of change of GH (\u0394GH) on the buccal side was 0.30\u2009\u00b1\u20090.47\u2009mm. After correcting for confounders using GEEs, the results suggested that KMW &lt;1.5\u2009mm was a significant factor (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) for bone loss over time in \u0394BLm, \u0394BLd, and \u0394BLb. In addition, for soft tissues on the buccal side, KMW &lt;1.5\u2009mm was a significant factor for \u0394GH reduction over time (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Keratinized mucosa width \u22651.5\u2009mm was associated with a higher probability less hard and soft tissue recession around the platform switching implant after 1\u2009year from superstructure placement.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13318","type":"journal-article","created":{"date-parts":[[2024,3,19]],"date-time":"2024-03-19T05:03:10Z","timestamp":1710824590000},"page":"592-603","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Multivariate analysis of the effect of keratinized mucosa on peri\u2010implant tissues with platform switching: A retrospective study"],"prefix":"10.1111","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1997-8282","authenticated-orcid":false,"given":"Azusa","family":"Suzuki","sequence":"first","affiliation":[{"name":"Department of Fixed Prosthodontics and Orofacial Function, Division of Oral Reconstruction and Comprehensive Dentistry Osaka University Graduate School of Dentistry  Suita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8000-230X","authenticated-orcid":false,"given":"Tamaki","family":"Nakano","sequence":"additional","affiliation":[{"name":"Department of Fixed Prosthodontics and Orofacial Function, Division of Oral Reconstruction and Comprehensive Dentistry Osaka University Graduate School of Dentistry  Suita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masaki","family":"Inoue","sequence":"additional","affiliation":[{"name":"Department of Fixed Prosthodontics and Orofacial Function, Division of Oral Reconstruction and Comprehensive Dentistry Osaka University Graduate School of Dentistry  Suita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1328-081X","authenticated-orcid":false,"given":"Shoichi","family":"Isigaki","sequence":"additional","affiliation":[{"name":"Department of Fixed Prosthodontics and Orofacial Function, Division of Oral Reconstruction and Comprehensive Dentistry Osaka University Graduate School of Dentistry  Suita 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