{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:43:50Z","timestamp":1760921030451,"version":"build-2065373602"},"reference-count":29,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2010,3,1]],"date-time":"2010-03-01T00:00:00Z","timestamp":1267401600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2010,3]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Immediate bone grafting procedures were proposed to preserve bone volume in residual damaged alveolar walls and to prevent the expansion of the sinus floor in the maxillary molar region. The use of an osteotome allows vertical bone augmentation and localized sinus elevation with minimal surgical trauma. The aim of this study is to evaluate the clinical outcome of implants placed in previously grafted alveoli that were expanded at a second\u2010stage surgery by an osteotome technique.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Twenty patients requiring extraction of one or two upper molar teeth and\/or a second premolar were selected. Thirty teeth were extracted, and their fresh sockets immediately received magnesium\u2010enriched hydroxyapatite as a graft material. Three months after bone filling, osteotome sinus floor elevations were performed in grafted sites, and 30 titanium dental implants were placed. Three months after implant placement, temporary restorations were performed. Follow\u2010up examinations and intraoral digital radiographs were taken at baseline and 6, 12, 24, and 36 months after implant placement to evaluate the alveolar bone gain for each implant. Comparisons among mean values of alveolar bone gain over time were performed by the Student two\u2010tailed <jats:italic>t<\/jats:italic> test.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> At the 36\u2010month follow\u2010up, a survival rate of 100% was reported for all implants. The alveolar bone gain after 6 months of healing was 2.41 \u00b1 1.23 mm. Successively, after 12 months, the bone gain increased (3.85 \u00b1 1.37 mm). At 24 and 36 months after implant placement, the levels were stable (3.86 \u00b1 1.50 mm and 3.82 \u00b1 1.57 mm, respectively). Statistical analyses showed a significant difference (<jats:italic>P<\/jats:italic> &lt;0.05) only between the 6\u2010 and 12\u2010month values.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> At the 36\u2010month follow\u2010up, the use of the osteotome technique for vertical expansion of the grafted tissue was considered a predictable procedure in the implant surgery.<\/jats:p>","DOI":"10.1902\/jop.2010.090477","type":"journal-article","created":{"date-parts":[[2010,3,2]],"date-time":"2010-03-02T04:12:41Z","timestamp":1267503161000},"page":"344-349","source":"Crossref","is-referenced-by-count":90,"title":["Osteotome Sinus Floor Elevation and Simultaneous Implant Placement in Grafted Biomaterial Sockets: 3 Years of 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