{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T10:26:30Z","timestamp":1773051990510,"version":"3.50.1"},"reference-count":59,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2014,1,15]],"date-time":"2014-01-15T00:00:00Z","timestamp":1389744000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2015,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate marginal bone loss over 3\u00a0years around immediate microthreaded implants placed in the maxillary anterior\/esthetic zone and immediately restored with single crowns.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>Seventy\u2010one implants (with microthreads up to the platform \u2013 rough surface body and neck, internal connection and platform switching) were placed in fresh extraction sockets in the maxillary arches of 30 men and 23 women (mean age 37.85\u00a0\u00b1\u00a07.09\u00a0years, range 27\u201360). All subjects had at least 3\u00a0mm of soft tissue to allow the establishment of adequate biologic width and to reduce bone resorption. Each patient received a provisional restoration immediately after implant placement with slight occlusal contact. Mesial and distal bone height was evaluated using digital radiography on the day following implant placement (baseline) and after 1, 2, and 3\u00a0years. Primary stability was measured with resonance frequency analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No implants failed, resulting in a cumulative survival rate of 100% after 3\u00a0years. Marginal bone loss from implant collar to bone crest measured at baseline (peri\u2010implant bone defect at the fresh extraction socket) and after 3\u00a0years was 0.86\u00a0mm\u00a0\u00b1\u00a00.29\u00a0mm. Mesial and distal site crestal bone loss ranged from 3.42\u00a0mm\u00a0\u00b1\u00a01.2\u00a0mm at baseline to 3.51\u00a0mm\u00a0\u00b1\u00a01.5\u00a0mm after 3\u00a0years (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.063) and from 3.38\u00a0mm\u00a0\u00b1\u00a00.9\u00a0mm at baseline to 3.49\u00a0mm\u00a0\u00b1\u00a00.9\u00a0mm after 3\u00a0years, respectively (<jats:italic>P\u00a0=\u00a0<\/jats:italic>0.086).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This prospective study found minimal marginal bone loss and a 100% implant survival rate over the 3\u2010year follow\u2010up for microthreaded immediate implants subjected to immediate non\u2010occlusal loading.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12336","type":"journal-article","created":{"date-parts":[[2014,1,15]],"date-time":"2014-01-15T06:56:22Z","timestamp":1389768982000},"page":"761-767","source":"Crossref","is-referenced-by-count":27,"title":["RETRACTED: Marginal bone loss evaluation around immediate non\u2010occlusal microthreaded implants placed in fresh extraction sockets in the maxilla: a 3\u2010year study"],"prefix":"10.1111","volume":"26","author":[{"given":"Jos\u00e9 L.","family":"Calvo\u2010Guirado","sequence":"first","affiliation":[{"name":"Department of Implant Dentistry School of Medicine and Dentistry University of Murcia Murcia Spain"},{"name":"Faculty of Medicine University of Belgrade Belgrade Serbia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerardo","family":"G\u00f3mez\u2010Moreno","sequence":"additional","affiliation":[{"name":"Department of Pharmacological Research in Dentistry Dental School University of Granada Granada Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Aguilar\u2010Salvatierra","sequence":"additional","affiliation":[{"name":"Department of Pharmacological Research in Dentistry Dental School University of Granada Granada Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javier","family":"Guardia","sequence":"additional","affiliation":[{"name":"Department of Pharmacological Research in Dentistry Dental School University of Granada Granada Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rafael A.","family":"Delgado\u2010Ruiz","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics and Digital Technology School of Dental Medicine Stony Brook University Stony Brook NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georgios E.","family":"Romanos","sequence":"additional","affiliation":[{"name":"School of Dental Medicine Stony Brook University Stony Brook NY 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