{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T15:45:51Z","timestamp":1760888751453},"reference-count":58,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,1,11]],"date-time":"2013-01-11T00:00:00Z","timestamp":1357862400000},"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":[[2014,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Clinical studies on immediate loading of implants in the posterior atrophic maxilla are rare.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The study aims to evaluate immediate loading of implants placed with sinus membrane elevation without additional grafting material for bone augmentation of the maxillary sinus floor.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>The study group comprised of 10 patients in whom a total of 10 maxillary sinus floor augmentations were performed. A total of 21 dental implants (1 to 4) were inserted through the residual bone to protrude into the maxillary sinus under the elevated sinus membrane. The implant site was underprepared to improve primary stability. All the implants were inserted with a torque insertion no less than 20\u2009<jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>cm. Implants were loaded immediately after surgery with a screw\u2010retained temporary acrylic restoration. Intraoral <jats:styled-content style=\"fixed-case\">X<\/jats:styled-content>\u2010rays were taken at implant insertion, after 6 months loading, and after 1st and 2nd year of loading. Resonance frequency analysis (<jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content>) was performed at the time of initial placement and after 6 months of functional loading.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> after implant insertion gave an implant stability quotient (<jats:styled-content style=\"fixed-case\">ISQ<\/jats:styled-content>) level with a range from 62 to 72. All implants remained clinically stable during the follow\u2010up period of 2 years. Radiography demonstrated on average 5.7\u2009\u00b1\u20093.4\u2009mm of intrasinus new bone formation after 6 months of implant loading. <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> measurements showed <jats:styled-content style=\"fixed-case\">ISQ<\/jats:styled-content> mean values of 67 (range: 62\u201372) and 68 (range: 62\u201371) at placement and after 6 months of loading, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Within the limits of this case series report, it is concluded that maxillary sinus membrane elevation with simultaneous placement and immediate loading of implants without the use of any additional grafting material shows predictable results after 2 years of functional loading. Moreover, evidence of intrasinus bone formation around the implants was found in all patients. Further studies are needed to study the influence of immediate loading on the mineralization of bone forming at dental implant sites.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12035","type":"journal-article","created":{"date-parts":[[2013,1,11]],"date-time":"2013-01-11T18:48:17Z","timestamp":1357930097000},"page":"609-617","source":"Crossref","is-referenced-by-count":23,"title":["Immediate Loading of Implants Placed Simultaneously with Sinus Membrane Elevation in the Posterior Atrophic Maxilla: A Two\u2010Year Follow\u2010Up Study on 10 Patients"],"prefix":"10.1111","volume":"16","author":[{"given":"Giovanni","family":"Cricchio","sequence":"first","affiliation":[{"name":"Department of Oral &amp; Maxillofacial Surgery Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mario","family":"Imburgia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lars","family":"Sennerby","sequence":"additional","affiliation":[{"name":"Department of Oral &amp; Maxillofacial Surgery, Institute of Odontology, Sahlgrenska Academy University of Gothenburg  Gothenburg Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan","family":"Lundgren","sequence":"additional","affiliation":[{"name":"Department of Oral &amp; Maxillofacial Surgery Ume\u00e5 University  Ume\u00e5 Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,1,11]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1834-7819.2008.00045.x"},{"issue":"21","key":"e_1_2_5_3_1","doi-asserted-by":"crossref","DOI":"10.1002\/14651858.CD003878.pub4","article-title":"Interventions for replacing missing teeth: different times for loading dental implants","author":"Esposito M","year":"2009","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2005.tb00076.x"},{"key":"e_1_2_5_5_1","first-page":"315","article-title":"Immediate occlusal loading of implants in the partially edentate mandible: a prospective 1\u2010year radiographic and 4\u2010year clinical study","volume":"23","author":"\u00d6stman PO","year":"2008","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0757.2008.00267.x"},{"key":"e_1_2_5_7_1","first-page":"84","article-title":"Early loading of sandblasted, acid\u2010etched implants in the posterior maxilla and mandible: a 1\u2010year follow\u2010up report from a multicenter 3\u2010year prospective study","volume":"20","author":"Luongo G","year":"2005","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2007.01517.x"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2008.01626.x"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2008.00096.x"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02164641"},{"key":"e_1_2_5_12_1","first-page":"48","article-title":"Maxillary sinus pneumatization following extractions: a radiographic study","volume":"23","author":"Sharan A","year":"2008","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_13_1","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1016\/S0011-8532(22)02107-3","article-title":"Maxillary and sinus reconstructions","volume":"30","author":"Tatum H","year":"1986","journal-title":"Dent Clin North Am"},{"key":"e_1_2_5_14_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"},{"key":"e_1_2_5_15_1","first-page":"239","article-title":"Sinus lift procedure using porous hydroxyapatite: a preliminary clinical report","volume":"13","author":"Smiler DG","year":"1987","journal-title":"J Oral Implantol"},{"key":"e_1_2_5_16_1","first-page":"209","article-title":"Grafting of the maxillary sinus with intraorally harvested autogenous bone prior to implant placement","volume":"3","author":"Wood RM","year":"1988","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0278-2391(10)80288-5"},{"key":"e_1_2_5_18_1","first-page":"760","article-title":"Augmentation of the maxillary sinus floor with particulated mandible: a histologic and histomorphometric study","volume":"11","author":"Lundgren S","year":"1996","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_19_1","first-page":"26","article-title":"Six\u2010year clinical and histologic study of sinus\u2010lift grafts","volume":"11","author":"Wheeler SL","year":"1996","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_5_20_1","first-page":"265","article-title":"Commentary on maxillary pre\u2010implant rehabilitation. 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