{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,8]],"date-time":"2025-12-08T22:43:16Z","timestamp":1765233796597,"version":"3.40.5"},"reference-count":53,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,6,14]],"date-time":"2024-06-14T00:00:00Z","timestamp":1718323200000},"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":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To analyze the three\u2010dimensional stability and morphologic changes of tent space after the osteotome sinus floor elevation (OSFE) procedures without bone grafts.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Forty\u2010six implants placed using the OSFE technique with simultaneous implant placement without bone grafts were included in this retrospective study. Cone\u2010beam computed tomography (CBCT) scans of the augmented sinuses were obtained pre\u2010 and postoperatively up to 48\u2009months of follow\u2010up. The maxillary sinus cavity profiles were outlined using three\u2010dimensional virtual reconstruction and superimposition of CBCT scans. The three\u2010dimensional changes in the tent space were measured. A generalized estimating equation (GEE) was used to explore potential factors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The implant survival rate was 97.8%. The mean volume of remaining tent space immediately after surgery was 96.8\u2009\u00b1\u200970.5\u2009mm<jats:sup>3<\/jats:sup>, shrinking to 31.0\u2009\u00b1\u200924.9\u2009mm<jats:sup>3<\/jats:sup> after 48\u2009months, while the mean percentage of remaining tent space volume decreased to 29.1\u2009\u00b1\u200920.7%. The tent space volume and the percentage of residual tent space volume only decreased significantly within 12\u2009months after surgery (<jats:italic>p<\/jats:italic>\u2009=\u2009.008, .013). GEE results indicated positive correlations between the percentage of remaining tent space volume and implant protrusion length (<jats:italic>p<\/jats:italic>\u2009=\u2009.000) and apical height (<jats:italic>p<\/jats:italic>\u2009=\u2009.000), with a negative correlation between the sinus floor area immediately after surgery (<jats:italic>p<\/jats:italic>\u2009=\u2009.002) and the healing time (<jats:italic>p<\/jats:italic>\u2009=\u2009.022).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The volume of the tent space rapidly shrank after OSFE without bone grafts. Several factors might influence the tent space stability. Long\u2010term clinical trials with larger sample sizes are necessary to further validate the results.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.14312","type":"journal-article","created":{"date-parts":[[2024,6,14]],"date-time":"2024-06-14T09:55:32Z","timestamp":1718358932000},"page":"1251-1261","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Three\u2010dimensional changes and influencing factors of tent space following osteotome sinus floor elevation without grafting: A 48\u2010month retrospective radiographic study"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-3642-2781","authenticated-orcid":false,"given":"Wen","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Stomatology Quzhou Hospital of Traditional Chinese Medicine  Quzhou Zhejiang Province China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haida","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Stomatology, the First Affiliated Hospital, College of Medicine Zhejiang University  Hangzhou Zhejiang Province China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ke","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Stomatology, the First Affiliated Hospital, College of Medicine Zhejiang University  Hangzhou Zhejiang Province China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6674-1803","authenticated-orcid":false,"given":"Xinhua","family":"Gu","sequence":"additional","affiliation":[{"name":"Department of Stomatology, the First Affiliated Hospital, College of Medicine Zhejiang University  Hangzhou Zhejiang Province China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,6,14]]},"reference":[{"doi-asserted-by":"publisher","key":"e_1_2_11_2_1","DOI":"10.1097\/id.0000000000000793"},{"doi-asserted-by":"publisher","key":"e_1_2_11_3_1","DOI":"10.1111\/cid.12530"},{"doi-asserted-by":"publisher","key":"e_1_2_11_4_1","DOI":"10.11607\/jomi.3206"},{"doi-asserted-by":"publisher","key":"e_1_2_11_5_1","DOI":"10.3390\/biology10010012"},{"key":"e_1_2_11_6_1","first-page":"272","article-title":"Consensus statements and recommended clinical procedures regarding surgical techniques","volume":"24","author":"Chen S. 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