{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T10:42:14Z","timestamp":1781260934456,"version":"3.54.1"},"reference-count":25,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2017,6,7]],"date-time":"2017-06-07T00:00:00Z","timestamp":1496793600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100010184","name":"Armament Research, Development and Engineering Center","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010184","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2017,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the healing after elevation of the sinus mucosa when a collagen membrane was placed between the sinus mucosa and a xenograft used as filler.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Eighteen rabbits were used. Sinus mucosa elevation was performed bilaterally, and a collagen membrane was applied subjacent to the sinus mucosa only at a randomly selected test site. At both sites, a collagenated corticocancellous porcine bone was placed within the elevated space and the access window was covered with a collagen membrane. The animals were sacrificed after 2, 4, and 8\u00a0weeks of healing, six animals for group. Ground sections were prepared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>At the histomorphometric evaluation, the elevated area after 2 and 8\u00a0weeks was 11.8 and 8.8\u00a0mm<jats:sup>2<\/jats:sup> at the test, and 10.0 and 5.3\u00a0mm<jats:sup>2<\/jats:sup> at the control sites, respectively. The available area was obtained subtracting the remaining area occupied by the membrane from the elevated area and, after 8\u00a0weeks, was 6.7\u00a0\u00b1\u00a00.9\u00a0mm<jats:sup>2<\/jats:sup>. After 8\u00a0weeks of healing, the mineralized new bone within the elevated space was 18.2\u00a0\u00b1\u00a05.5% at the test and 26.7\u00a0\u00b1\u00a07.7% at the control sites. Within the available space at the test site, the percentage was 27.3\u00a0\u00b1\u00a07.0% after 8\u00a0weeks of healing. At 2 and 8\u00a0weeks of healing, within the elevated space, the xenograft proportion was 30.9\u00a0\u00b1\u00a04.4% and 6.9\u00a0\u00b1\u00a02.8% at the test, and 35.2\u00a0\u00b1\u00a07.3% and 9.6\u00a0\u00b1\u00a04.9% at the control sites, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The placement of a collagen membrane subjacent the sinus mucosa did not reveal any major morphometric difference. The collagen membrane was not completely resorbed after 8\u00a0weeks.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13027","type":"journal-article","created":{"date-parts":[[2017,6,8]],"date-time":"2017-06-08T04:12:44Z","timestamp":1496895164000},"page":"1567-1576","source":"Crossref","is-referenced-by-count":45,"title":["Influence of a collagen membrane positioned subjacent the sinus mucosa following the elevation of the maxillary sinus. A histomorphometric study in rabbits"],"prefix":"10.1111","volume":"28","author":[{"given":"Takahisa","family":"Iida","sequence":"first","affiliation":[{"name":"Department of Oral Implantology Osaka Dental University Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evandro","family":"Carneiro Martins Neto","sequence":"additional","affiliation":[{"name":"Depto CTBMF e Periodontia FORP\u2010USP\u2010 Faculty of Ribeir\u00e3o Preto (SP) Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2804-1632","authenticated-orcid":false,"given":"Daniele","family":"Botticelli","sequence":"additional","affiliation":[{"name":"Department of Oral Implantology Osaka Dental University Osaka Japan"},{"name":"ARDEC Academy Ariminum Odontologica Rimini Italy"},{"name":"POI\u2010Programa Odontol\u00f3gico Internacional Cartagena de Indias Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karol 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