{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T22:55:19Z","timestamp":1783119319718,"version":"3.54.6"},"reference-count":49,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,8,22]],"date-time":"2021-08-22T00:00:00Z","timestamp":1629590400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Immediate implant placement (IIP) associated with the use of bone substitutes and collagen matrices (CM) seems to reduce the amount of resorption at peri\u2010implant areas. Recently, customized healing abutments (CA) appeared as another solution in order to seal the socket and preserve the original soft tissue contour.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate peri\u2010implant tissues dimensional changes after using customized healing abutments compared with the use of xenogeneic collagen matrices as socket sealing options in flapless maxillary immediate implant placement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>The present study was designed as a prospective, randomized, controlled clinical trial. Patients were allocated into two groups depending on the socket sealing option: in the CM group a collagen matrix was used and in the CA group a customized abutment. Digital impressions were taken prior to extraction, 1, 4, and 12\u00a0months after implant insertion and the digital files allowed to evaluate linear buccal changes (MBC) and the buccal volumetric variation (BVv) between the different time points at peri\u2010implant tissue areas. Additionally, mucosa variation was computed assessing the papilla presence and the midfacial mucosa height. Statistical significance was set at 0.05.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty\u2010eight patients were observed during a 12\u2010month period. Significant differences between mean values of BVv at the first month were observed at the CM and CA group (\u22129.75\u2009\u00b1\u20096.65% and \u22124.76\u2009\u00b1\u20095.29%, respectively) (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.043). At the 1\u2010year follow\u2010up, no significant differences were found in terms of BVv between the two groups, although the thin bone phenotype (\u22641\u2009mm) significantly influenced the volumetric variations that occurred in each group. No significant differences were noticed in midfacial mucosa and papillae alteration between groups, after 1\u2009year of treatment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Both treatment options are predictable solutions for socket sealing in IIP, although a higher volumetric variation can be expected in the presence of thin bone phenotypes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13044","type":"journal-article","created":{"date-parts":[[2021,8,23]],"date-time":"2021-08-23T03:17:42Z","timestamp":1629688662000},"page":"745-757","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Effect of customized healing abutments on the peri\u2010implant linear and volumetric tissue changes at maxillary immediate implant sites: A 1\u2010year prospective randomized clinical trial"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3817-4906","authenticated-orcid":false,"given":"Danilo","family":"Fernandes","sequence":"first","affiliation":[{"name":"Department of Surgery, Faculty of Medicine University of Salamanca  Salamanca Spain"},{"name":"Faculty of Dental Medicine Universidade Cat\u00f3lica Portuguesa  Viseu Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S\u00edlvia","family":"Nunes","sequence":"additional","affiliation":[{"name":"Faculty of Dental Medicine Universidade Cat\u00f3lica Portuguesa  Viseu Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gonzalo","family":"L\u00f3pez\u2010Castro","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Dental Medicine Universidad de Santiago de Compostela  Santiago Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2474-4613","authenticated-orcid":false,"given":"Tiago","family":"Marques","sequence":"additional","affiliation":[{"name":"Faculty of Dental Medicine, Center for Interdisciplinary Research in Health Universidade Cat\u00f3lica Portuguesa  Viseu Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3936-6539","authenticated-orcid":false,"given":"Javier","family":"Montero","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine University of Salamanca  Salamanca Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3507-9914","authenticated-orcid":false,"given":"Tiago","family":"Borges","sequence":"additional","affiliation":[{"name":"Faculty of Dental Medicine, Center for Interdisciplinary Research in Health Universidade Cat\u00f3lica Portuguesa  Viseu 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