{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T18:32:42Z","timestamp":1792866762964,"version":"4.5.0"},"reference-count":44,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2017,8,29]],"date-time":"2017-08-29T00:00:00Z","timestamp":1503964800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Insertion of an implant in the edentulous posterior maxilla is a challenging procedure because of poor bone quality and increased pneumatization of the maxillary sinus after tooth extraction. To increase the amount of bone, several surgical bone grafting techniques have been used\u2015with considerable morbidity for patients. Osteotome sinus floor elevation (OSFE) is a less invasive technique. The clinical and radiographic outcome of 53 implants placed with this technique without bone graft has been reported previously.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Here we report the clinical and radiographic findings after 10 years of implant load bearing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>In a retrospective study, 34 Astra implants in 25 patients were subjected to 10\u2010year follow\u2010up radiologically and clinically. Each patient received 1 or 2 conical Astra implants. The level of the marginal bone and the height of the residual peri\u2010implant alveolar bone (RPAB) for each implant were measured from digital intra\u2010oral radiographs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Two implants in edentulous patients were lost at the 1\u2010year follow\u2010up, and 1 more at the 3\u2010year examination. There was no loss between 3\u2010year and 10\u2010year follow\u2010up. At 10\u2010year follow\u2010up 36 implants were included. Implants used in single\u2010tooth replacements and in partially edentulous cases had a 100% survival rate. The mean marginal bone loss was 0.6\u2009\u00b1\u20090.8 mm. The bone height at the time of implant insertion ranged from 1.8 to 6.9 mm, with a mean value of 4.3\u2009\u00b1\u20091.0 mm. At 10\u2010year follow\u2010up the mean gain in bone at the implant sites for all implants was 2.6\u2009\u00b1\u20091.2 mm.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The OSFE technique is a reliable method for rehabilitation of patients with atrophied posterior maxilla. However, the success of this method is associated with the amount of the residual bone. In the present study, this surgical approach without bone graft showed reliable long\u2010term results with Astra implants.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12530","type":"journal-article","created":{"date-parts":[[2017,8,30]],"date-time":"2017-08-30T01:02:54Z","timestamp":1504054974000},"page":"1023-1033","source":"Crossref","is-referenced-by-count":14,"title":["Long\u2010term evaluation of osteotome sinus floor elevation and simultaneous placement of implants without bone grafts: 10\u2010Year radiographic and clinical follow\u2010up"],"prefix":"10.1111","volume":"19","author":[{"given":"Janusz","family":"Caban","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery V\u00e4stervik Hospital V\u00e4stervik Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Fermerg\u00e5rd","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery V\u00e4stervik Hospital V\u00e4stervik Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jahan","family":"Abtahi","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Link\u00f6ping University Hospital Link\u00f6ping Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,8,29]]},"reference":[{"key":"e_1_2_9_2_1","first-page":"86","article-title":"Short implants, an analysis of longitudinal studies","volume":"21","author":"Das Neves FD","year":"2006","journal-title":"Int J Oral Maxillofac Implants."},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2004.05.010"},{"key":"e_1_2_9_4_1","first-page":"476","article-title":"Simplifying management of the posterior maxilla using short, porous\u2010surfaced dental implants and simultaneous indirect sinus elevation","volume":"20","author":"Deporter D","year":"2000","journal-title":"Int J Periodontics Restorative 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