{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:46:43Z","timestamp":1783990003467,"version":"3.55.0"},"reference-count":26,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2016,1,22]],"date-time":"2016-01-22T00:00:00Z","timestamp":1453420800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2016,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Spark discharge anodic oxidation forms a porous oxide film on titanium implant surfaces, which may increase surface roughness and enhance early osseointegration. This study aimed to clinically and histomorphometric compare commercially\u2010available sandblasted (<jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content>) implants, treated with hydrothermal anodization and placed into an animal maxillary sinus model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Thirty 3.75 mm\u00a0\u00d7\u00a08.5\u00a0mm threaded titanium implants were placed into the maxillary sinuses of 10 sheep via an external approach, with three test groups and 10 implants per group: right side, Control\u00a0=\u00a0<jats:styled-content style=\"fixed-case\">CP<\/jats:styled-content>\u2010titanium with <jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content> surface, Test group 1\u00a0=\u00a0<jats:styled-content style=\"fixed-case\">CP<\/jats:styled-content>\u2010titanium with <jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content>\u00a0+\u00a0anodized surface; left side, Test group 2\u00a0=\u00a0Ti\u20106Al\u20107Nb with <jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content>\u00a0+\u00a0anodized surface. Schneiderian membranes were elevated but not bone grafted. Resonant frequency analysis (<jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content>) was measured at surgery. Animals were sacrificed after 1\u00a0month unloaded healing. Resin\u2010embedded undemineralized ground\u2010sections were digitised, and mean bone\u2010implant contact (% <jats:styled-content style=\"fixed-case\">BIC<\/jats:styled-content>) was measured bilaterally for the best\u2010three consecutive threads.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Seven of 30 implants showed signs of failure. <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> was low at placement but did not differ between the groups (group mean <jats:styled-content style=\"fixed-case\">ISQ<\/jats:styled-content> values ranged from 23 to 35; \u03c7<jats:sup>2<\/jats:sup>\u00a0=\u00a00.37). <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> was not repeated at sacrifice due to implant instability. Histomorphometric analysis showed % <jats:styled-content style=\"fixed-case\">BIC<\/jats:styled-content> was highest for control (34.8\u00a0\u00b1\u00a015.7), followed by Test 1 (29.6\u00a0\u00b1\u00a018.1) and Test 2 implants (23.3\u00a0\u00b1\u00a022.7), but this difference was not statistically significant (\u03c7<jats:sup>2<\/jats:sup>\u00a0=\u00a00.3).<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion and Conclusions<\/jats:title><jats:p>Early integration of <jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content> implants placed into thin maxillary sinus walls was not enhanced by hydrothermal anodization of implant surfaces. This may be related to the initial low stability of the implants and the relatively short healing period. However, non\u2010anodized <jats:styled-content style=\"fixed-case\">RBM<\/jats:styled-content> surfaces showed promising results, with % <jats:styled-content style=\"fixed-case\">BIC<\/jats:styled-content> values comparable to the best estimates of other studies using sinus grafting. Whether the modification of the implant surfaces through anodization with simultaneous sinus grafting would promote enhanced early osseointegration, is a subject of future research.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12741","type":"journal-article","created":{"date-parts":[[2016,1,22]],"date-time":"2016-01-22T14:06:53Z","timestamp":1453471613000},"page":"975-980","source":"Crossref","is-referenced-by-count":7,"title":["The effect of hydrothermal spark discharge anodization in the early integration of implants in sheep sinuses"],"prefix":"10.1111","volume":"27","author":[{"given":"Warwick J.","family":"Duncan","sequence":"first","affiliation":[{"name":"Sir John Walsh Research Institute Faculty of Dentistry University of Otago Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer H. A.","family":"Gay","sequence":"additional","affiliation":[{"name":"Sir John Walsh Research Institute Faculty of Dentistry University of Otago Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min\u2010Ho","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Dental Biomaterials and Institute of Biodegradable Materials Institute of Oral Bioscience and BK21 Plus Project School of Dentistry Chonbuk National University Jeonju South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tae\u2010Sung","family":"Bae","sequence":"additional","affiliation":[{"name":"Department of Dental Biomaterials and Institute of Biodegradable Materials Institute of Oral Bioscience and BK21 Plus Project School of Dentistry Chonbuk National University Jeonju South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sook\u2010Jeong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of New Drug Discovery and Development Chungnam National University Daejeon South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carolina","family":"Loch","sequence":"additional","affiliation":[{"name":"Sir John Walsh Research Institute Faculty of Dentistry University of Otago Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,1,22]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"726","article-title":"Insertion torque and resonance frequency analysis of dental implant systems in an animal model with loaded implants","volume":"21","author":"Al\u2010Nawas B.","year":"2006","journal-title":"International Journal of Oral & Maxillofacial Implants"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2006.01653.x"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0722.2008.00571.x"},{"key":"e_1_2_6_5_1","unstructured":"Duncan W.J.(2005)Sheep mandibular animal models for dental implantology research. 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