{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T19:59:55Z","timestamp":1791143995789,"version":"4.1.0"},"reference-count":67,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2013,9,17]],"date-time":"2013-09-17T00:00:00Z","timestamp":1379376000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Ministry of Science and Technology","award":["MAT2006-13646-C03-01"],"award-info":[{"award-number":["MAT2006-13646-C03-01"]}]},{"DOI":"10.13039\/501100004543","name":"China Scholarship Council","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100004543","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Clifford Wong Fellowship"},{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100000033","name":"Institute of Musculoskeletal Health and Arthritis","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100000033","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study evaluates whether or not, among other factors, membrane\u2010coverage of antrostomy defects improves implant survival in sinus augmentation procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>We performed a two\u2010arm and split\u2010mouth randomized controlled clinical trial on 104 and 5 patients respectively. In the two\u2010arm study, antrostomy defects were membrane\u2010covered in 66 procedures and uncovered in 69, before placing a total of 265 implants that were followed up for 1\u00a0year. In the split\u2010mouth study, following bilateral sinus augmentation, antrostomy defects were membrane\u2010covered on one side and left uncovered on the contra\u2010lateral. Bone biopsies from each sinus were histologically analysed 6\u00a0months later.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In the two\u2010arm study, implant survival rates were similar (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.08) in the membrane\u2010covered (96.1%) and uncovered (94.2%) groups. In the split\u2010mouth study, bone augmentation was similar in both groups (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.52). Delayed implant placement (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.04), thick Schneider's membrane (\u22652\u00a0mm) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.01), treatment for hypertension (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.04) and non\u2010smoking (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.01) seemed to be associated with lower risk of implant failure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Implant survival in sinus lifting procedures could be influenced significantly by timing of implant placement, Schneider's membrane thickness, antihypertensive treatment and smoking habits, but not by antrostomy membrane coverage.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jcpe.12153","type":"journal-article","created":{"date-parts":[[2013,8,30]],"date-time":"2013-08-30T16:22:49Z","timestamp":1377879769000},"page":"1043-1051","source":"Crossref","is-referenced-by-count":52,"title":["Membranes over the lateral window in sinus augmentation procedures: a two\u2010arm and split\u2010mouth randomized clinical trials"],"prefix":"10.1111","volume":"40","author":[{"given":"Jes\u00fas","family":"Torres Garc\u00eda\u2010Denche","sequence":"first","affiliation":[{"name":"Faculty of Dentistry Universidad Complutense Madrid Spain"},{"name":"Private practice Clinica Dental Alcal\u00e1 Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xixi","family":"Wu","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry McGill University Montreal QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro\u2010Pablo","family":"Martinez","sequence":"additional","affiliation":[{"name":"Private practice Clinica Dental Alcal\u00e1 Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hazem","family":"Eimar","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry McGill University Montreal QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daher Jalil\u2010Abumalham","family":"Ikbal","sequence":"additional","affiliation":[{"name":"Private practice Clinica Dental Alcal\u00e1 Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gonzalo","family":"Hern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry Universidad Complutense Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enrique","family":"L\u00f3pez\u2010Cabarcos","sequence":"additional","affiliation":[{"name":"Faculty of Pharmacy Universidad Complutense Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabel","family":"Fernandez\u2010Tresguerres","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry Universidad Complutense Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faleh","family":"Tamimi","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry McGill University Montreal QC Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,9,17]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"11","article-title":"The long\u2010term efficacy of currently used dental implants: a review and proposed criteria of success","volume":"1","author":"Albrektsson T.","year":"1986","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.4317\/medoral.16921"},{"key":"e_1_2_7_4_1","first-page":"88","article-title":"Histologic and clinical observations of resorbable and nonresorbable barrier membranes used in maxillary sinus graft containment","volume":"12","author":"Avera S. 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