{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T15:04:02Z","timestamp":1777561442771,"version":"3.51.4"},"reference-count":33,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,9,14]],"date-time":"2020-09-14T00:00:00Z","timestamp":1600041600000},"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":[[2020,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Although small perforation of the maxillary sinus schneiderian membrane is a well\u2010documented complication during lateral sinus floor elevation (LSFE), complete perforations larger than 10\u2009mm often result in discontinuation of surgery. Reports on reentry LSFE and its long\u2010term outcomes are sparse.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate the long\u2010term outcomes of reentry LSFE following complete membrane perforation to elucidate the technical details of the reentry procedure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>We assessed the medical records of all patients receiving LSFE from 2008 to 2017 in the Department of Oral Implantology, Peking University Hospital of Stomatology. Twenty\u2010two patients receiving reentry LSFE after complete membrane perforation were enrolled. Data were recorded using cone beam computer tomography: including the residual bone height, membrane thickness of the sinus prior to surgery (MT<jats:sub>1<\/jats:sub>), and before reentry (MT<jats:sub>2<\/jats:sub>), and height of the bone graft during the reentry procedure (HBG). Cumulative survival rate of implants (CSR), marginal bone loss (MBL), and subsequent complications were also recorded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>From 2008 to 2017, 2023 consecutive patients (2262 sinuses) who underwent LSFE were screened. Complete membrane perforation occurred in 28 patients and resulted in discontinuation of surgery (1.2%). Twenty two patients were enrolled and received reentry LSFE within 3\u20106 months. Two patients undergoing the reentry procedure were suspended due to excessive membrane perforation, while the other 20 finished reentry sinus bone graft. In the reentry procedure, the HBG was 9.73\u2009\u00b1\u20092.67\u2009mm with 34 implant placements. The MT<jats:sub>1<\/jats:sub> and MT<jats:sub>2<\/jats:sub> were 1.03\u2009\u00b1\u20090.43 and 1.91\u2009\u00b1\u20091.45\u2009mm, respectively, showing a statistically significant difference (<jats:italic>P<\/jats:italic> &lt;\u2009.05). After a follow\u2010up of 2\u201010\u2009years, CSR was 97.1%, and MBL was 0.64\u2009\u00b1\u20090.50\u2009mm.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The long\u2010term outcome of reentry LSFE is predictable and reentry LSFE offers a reliable alternative following complete membrane perforation. However, the procedure is relatively sensitive and should be performed by experienced surgeons.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12932","type":"journal-article","created":{"date-parts":[[2020,9,28]],"date-time":"2020-09-28T22:09:53Z","timestamp":1601330993000},"page":"574-581","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Clinical and radiographic outcomes of reentry lateral sinus floor elevation after a complete membrane perforation"],"prefix":"10.1111","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6763-8373","authenticated-orcid":false,"given":"Da","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital 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China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Donghao","family":"Wei","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital Stomatology  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ye","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology Peking University School and Hospital of Stomatology &amp; National Clinical Research Center for Oral Diseases &amp; National Engineering Laboratory for Digital and Material Technology of Stomatology &amp; Beijing Key Laboratory of Digital Stomatology  Beijing 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