{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T06:57:07Z","timestamp":1780469827359,"version":"3.54.1"},"reference-count":42,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,4,17]],"date-time":"2013-04-17T00:00:00Z","timestamp":1366156800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Zimmer Dental Inc."},{"name":"Delta Dental Foundation Dental Master's Thesis Award"},{"name":"American Academy of Implant Dentistry Student Research Grant"},{"name":"The R.W. Bunting Periodontal Study Club Research Grant"},{"name":"Rackham Graduate Student Research Grant and the University of Michigan Periodontal Graduate Student Research Fund"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2014,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Sandwich bone augmentation (<jats:styled-content style=\"fixed-case\">SBA<\/jats:styled-content>) has been proposed to augment the width of edentulous ridges for implant placement. This study aimed to investigate the effect of a membrane on <jats:styled-content style=\"fixed-case\">SBA<\/jats:styled-content> for the regeneration of buccal implant dehiscence defects.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>Twenty\u2010six healthy patients, each with a single defect, were randomly assigned into two groups. Both groups received an inner and outer layer of mineralized human cancellous and cortical particulate allograft. In the test group, a bovine pericardium membrane covered the bone grafts, while no membrane was placed in the control group. Cone beam computed tomography (<jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content>) scans were taken before and immediately after implant placement and at 6\u00a0months post\u2010surgery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All implants placed were successfully osseointegrated at 6\u00a0months. Clinical re\u2010entry measurements showed significant buccal bone gain in the test group compared with the control group (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.05). The test group had 1.12, 2.21 and 2.44\u00a0mm more buccal bone thickness at 2, 4 and 6\u00a0mm below the bone crest. There were no significant differences in the mid\u2010buccal vertical bone height, defect height and width reductions and bone fill between the two groups (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). Cone beam computed tomography analysis demonstrated significant buccal bone gain of 1.22\u00a0mm in the test group. Radiographic vertical bone loss at 1\u2010year post\u2010surgery showed no significant differences between the groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Sandwich bone augmentation is a predictable technique for regenerating buccal bone on implant dehiscence defects. Addition of a barrier membrane prevented significant horizontal buccal bone resorption as space was maintained more effectively when compared with sites treated without a membrane.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12171","type":"journal-article","created":{"date-parts":[[2013,4,18]],"date-time":"2013-04-18T02:45:56Z","timestamp":1366253156000},"page":"458-467","source":"Crossref","is-referenced-by-count":45,"title":["A randomized clinical trial evaluating the efficacy of the sandwich bone augmentation technique in increasing buccal bone thickness during implant placement surgery"],"prefix":"10.1111","volume":"25","author":[{"given":"Jia\u2010Hui","family":"Fu","sequence":"first","affiliation":[{"name":"Discipline of Periodontics Faculty of Dentistry National University of Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tae\u2010Ju","family":"Oh","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine School of Dentistry University of Michigan Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erika","family":"Benavides","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine School of Dentistry University of Michigan Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivan","family":"Rudek","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine School of Dentistry University of Michigan Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hom\u2010Lay","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine School of Dentistry University of Michigan Ann Arbor MI USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,4,17]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0300-9785(81)80077-4"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0300-9785(86)80010-2"},{"key":"e_1_2_7_4_1","first-page":"49","article-title":"Which hard tissue augmentation techniques are the most successful in furnishing bony support for implant placement?","volume":"22","author":"Aghaloo T.L.","year":"2007","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e318159ca05"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2008.01583.x"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198304000-00005"},{"key":"e_1_2_7_8_1","first-page":"10","article-title":"Localized ridge augmentation using guided bone regeneration. 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