{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T13:44:53Z","timestamp":1791207893393,"version":"4.1.0"},"reference-count":48,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2012,4,23]],"date-time":"2012-04-23T00:00:00Z","timestamp":1335139200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2012,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To investigate the clinical and radiographic outcome of a one\u2010piece zirconia oral implant for single tooth replacement after 1\u00a0year.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A total of 65 patients received a one\u2010stage implant surgery with immediate temporization. Standardized radiographs were taken at implant insertion and after 1\u00a0year to monitor peri\u2010implant bone loss. A univariate analysis of the influence of different baseline parameters on marginal bone loss from implant insertion to 12\u00a0months was performed. Soft tissue parameters were evaluated at prosthesis insertion and at the 1\u2010year follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After 1\u00a0year, three implants were lost, giving a cumulative survival rate of 95.4%. The marginal bone loss after 1\u00a0year was 1.31\u00a0mm. Thirty\u2010four per cent of the implants lost at least 2\u00a0mm bone, and 14% more than 3\u00a0mm. The univariate analysis could not depict any parameter influencing marginal bone loss. Probing depth, Clinical Attachment Level, Bleeding and Plaque Index decreased over 1\u00a0year.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The cumulative survival rate of the presented ceramic implant was comparable to the reported survival rate of titanium implants when immediately restored. However, the frequency of increased radiographic bone loss (&gt;2\u00a0mm) after 1\u00a0year was considerably higher as compared to conventional two\u2010piece titanium implants. The presented zirconia implant can therefore not be recommended for clinical usage.<\/jats:p><\/jats:sec>","DOI":"10.1111\/j.1600-051x.2012.01876.x","type":"journal-article","created":{"date-parts":[[2012,3,16]],"date-time":"2012-03-16T23:04:03Z","timestamp":1331939043000},"page":"590-597","source":"Crossref","is-referenced-by-count":81,"title":["One\u2010piece zirconia oral implants: one\u2010year results from a prospective cohort study. 1. 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