{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T05:14:27Z","timestamp":1772774067212,"version":"3.50.1"},"reference-count":65,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T00:00:00Z","timestamp":1609891200000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To retrospectively assess the interproximal bone loss (CBL) in external hexagon implants (EHI), with different surface micro\u2010topography, placed in the posterior mandible in patients with a history of periodontitis undergoing supportive periodontal care.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>268 consecutive patients received 755 EHI implants in the mandibular molar region between 2007 and 2015 with the following surface characteristics: 72 turned, 145 hybrids (double acid\u2010etched\/turned), and 538 anodized. CBL was yearly evaluated by analysing calibrated digital periapical radiographs, with a follow\u2010up of 1\u20136\u00a0years. Data on implant survival were also calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>At 6\u00a0years (53 patients), the mean CBL was 1.34\/1.42\u00a0mm at patient\/implant level, respectively (range: 0\u20135.2\u00a0mm). Significantly higher CBL was detected in anodized implants than in turned and hybrid implants (1.92\/1.46\/1.02\u00a0mm) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.01). The maximum CBL values were found in 2 anodized implants at 4\u00a0years (6.3 and 8.1\u00a0mm). CBL\u00a0\u22652\u00a0mm was detected in 18% of implants at 3\u00a0years and 35% at 6 (p\u00a0&lt;\u00a02.2\u00a0\u00d7\u00a010<jats:sup>\u221216<\/jats:sup>), this prevalence being 2.6 times higher in the anodized than in the hybrid and turned group (40%\/15.6%, <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.0094). At 6\u00a0years, 25 anodized implants presented CBL\u00a0\u22653\u00a0mm (18%). 6 anodized implants (5 patients) were removed between 4 and 5\u00a0years.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A significant higher CBL was observed in anodized, compared to hybrid and turned implants, when placed in the mandibular molar region of periodontal patients, with a follow\u2010up of 1 to 6\u00a0years.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13682","type":"journal-article","created":{"date-parts":[[2020,11,19]],"date-time":"2020-11-19T22:03:38Z","timestamp":1605823418000},"page":"88-99","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Crestal bone loss associated with different implant surfaces in the posterior mandible in patients with a history of periodontitis. A retrospective study"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1197-599X","authenticated-orcid":false,"given":"Alberto","family":"Sicilia","sequence":"first","affiliation":[{"name":"Section of Periodontology Faculty of Health Sciences University Clinic of Odontology University of Oviedo Oviedo Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luis","family":"Gallego","sequence":"additional","affiliation":[{"name":"Section of Periodontology Faculty of Health Sciences University Clinic of Odontology University of Oviedo Oviedo Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pelayo","family":"Sicilia","sequence":"additional","affiliation":[{"name":"Section of Periodontology Faculty of Health Sciences University Clinic of Odontology University of Oviedo Oviedo Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carmen","family":"Mallo","sequence":"additional","affiliation":[{"name":"Section of Periodontology Faculty of Health Sciences University Clinic of Odontology University of Oviedo Oviedo Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susana","family":"Cuesta","sequence":"additional","affiliation":[{"name":"Section of Periodontology Faculty of Health Sciences University Clinic of Odontology University of Oviedo Oviedo Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6293-5755","authenticated-orcid":false,"given":"Mariano","family":"Sanz","sequence":"additional","affiliation":[{"name":"Faculty of Odontology ETEP Research Group University Complutense of Madrid Madrid Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,1,6]]},"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":"10.1111\/cid.12017"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12013"},{"issue":"5","key":"e_1_2_7_5_1","first-page":"536","article-title":"Oral implant surfaces: Part 1\u2013review focusing on topographic and chemical properties of different surfaces and in vivo responses to them","volume":"17","author":"Albrektsson T.","year":"2004","journal-title":"The International Journal of Prosthodontics"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1902\/annals.1999.4.1.1"},{"issue":"4","key":"e_1_2_7_7_1","first-page":"417","article-title":"Long\u2010term treatment outcomes in edentulous patients with implant\u2010fixed prostheses: The Toronto study","volume":"17","author":"Attard N. 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