{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T19:57:37Z","timestamp":1773691057769,"version":"3.50.1"},"reference-count":43,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T00:00:00Z","timestamp":1681257600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81974153"],"award-info":[{"award-number":["81974153"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>We have modified the internal sinus elevation by combining it with the sinus mucoperiosteum stripping procedure, which further increases the indications for the internal lift. Similar long\u2010term clinical follow\u2010up studies and three\u2010dimensional finite element analyses are rare.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study aimed to investigate the feasibility of the modified internal sinus floor elevation method in patients with low residual bone height using a three\u2010dimensional (3D) finite element model and report on the long\u2010term outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Overall, 99 implants were placed in 86 patients. All patients were followed\u2010up for 3\u201324\u2009months. The modified internal sinus floor elevation was dynamically simulated using a 3D finite element model, and the stress of the sinus membrane was measured.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In trial group A (modified internal sinus floor elevation group), 57 implants were placed in 52 patients. The sinus floor height was lifted by 6.5\u2009mm (95%confidence interval (CI): 6.2\u20136.8). The perforation rate was 8.8%, and the implant survival rate was 96.5%. In control group B (external sinus floor elevation group), 42 implants were placed in 34 patients. The sinus floor height was lifted by 8.8\u2009mm (95%CI: 8.4\u20139.3). The perforation rate was 14.3%, and the implant survival rate was 100%. In trial group A, compared with the control group B, perforation decreased by 5.5% (odds ratio\u2009=\u20090.50 and 95%CI: 0.14\u20131.78; <jats:italic>p<\/jats:italic>\u2009=\u20090.282), and the sinus floor lift height was 2.3\u2009mm lower (95%CI, 1.8\u20132.9; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). The finite element analysis showed that the peak stress of the sinus membrane increased with an increase in height elevation and degree of membrane separation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our findings indicate the positive clinical outcomes in patients with low RBH associated with the modified internal sinus elevation procedure.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13204","type":"journal-article","created":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T09:01:31Z","timestamp":1681290091000},"page":"458-472","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Modified internal sinus elevation for patients with low residual bone height: A retrospective clinical study"],"prefix":"10.1111","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0046-2657","authenticated-orcid":false,"given":"Yinxin","family":"Deng","sequence":"first","affiliation":[{"name":"Department of Stomatology Beijing Hospital of Integrated Traditional Chinese and Western Medicine  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chunyu","family":"Tong","sequence":"additional","affiliation":[{"name":"Department of Stomatology The Affiliated Hospital of Xuzhou Medical University  Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kang","family":"Gao","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yiping","family":"Dou","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruihong","family":"Ma","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yilin","family":"He","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beibei","family":"Li","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weiwei","family":"Liu","sequence":"additional","affiliation":[{"name":"Beijing Health Promotion Association BJHPA  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pan","family":"Ma","sequence":"additional","affiliation":[{"name":"Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology Capital Medical University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,4,12]]},"reference":[{"issue":"8","key":"e_1_2_12_2_1","first-page":"613","article-title":"Grafting of the maxillary sinus floor with autogenous marrow and bone","volume":"38","author":"Boyne PJ","year":"1980","journal-title":"J Oral Surg"},{"issue":"2","key":"e_1_2_12_3_1","article-title":"A new concept in maxillary implant surgery: the osteotome technique [J]","volume":"15","author":"Summers RB","year":"1994","journal-title":"Compendium"},{"issue":"3","key":"e_1_2_12_4_1","first-page":"296","article-title":"Clinical application of maxillary sinus lift with Summers osteotome","volume":"26","author":"Zhou L","year":"2008","journal-title":"Hua xi kou Qiang yi xue za zhi = West China J Stomatol"},{"key":"e_1_2_12_5_1","first-page":"237","article-title":"Bone augmentation procedures in implant dentistry","volume":"24","author":"Chiapasco M","year":"2009","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-11448-4_8"},{"issue":"6","key":"e_1_2_12_7_1","first-page":"e758","article-title":"Distance of the alveolar antral artery from the alveolar crest. 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