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Peri\u2010implant bone loss was assessed using standardized radiographs. Additionally, soft\u2010tissue parameters were analyzed. Statistical analyses were conducted using linear mixed regression models and Wilcoxon Signed Rank tests (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05). All patients participated in an annual maintenance program.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Eighteen implants were lost up to the 5\u2010year follow\u2010up, resulting in a cumulative survival rate of 66.67%. The mean marginal bone loss of the remaining implants amounted to 1.89\u2009mm. Probing depth, clinical attachment loss, and bleeding on probing increased from prosthesis insertion to the 5\u2010year follow\u2010up, while the plaque index showed no significant changes during the same period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The investigated one\u2010piece zirconia implant showed low survival rates as compared to previously reported survival rates of one\u2010piece zirconia or two\u2010piece titanium implants. Implant failure was attributed to peri\u2010implantitis, leading to the necessity of implant removal. The implant is not commercially available.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.14407","type":"journal-article","created":{"date-parts":[[2025,1,27]],"date-time":"2025-01-27T13:49:24Z","timestamp":1737985764000},"page":"589-599","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Five\u2010Year Results of One\u2010Piece Zirconia Oral Implants Supporting Three\u2010Unit Fixed Dental Prostheses"],"prefix":"10.1111","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7095-4190","authenticated-orcid":false,"given":"Ralf\u2010Joachim","family":"Kohal","sequence":"first","affiliation":[{"name":"Medical Center \u2010 University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirstin","family":"Vach","sequence":"additional","affiliation":[{"name":"Institute of Medical Biometry and Statistics Medical Center \u2010 University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank","family":"Butz","sequence":"additional","affiliation":[{"name":"Medical Center \u2010 University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian Berthold Maximilian","family":"Patzelt","sequence":"additional","affiliation":[{"name":"Medical Center \u2010 University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0011-4134","authenticated-orcid":false,"given":"Felix","family":"Burkhardt","sequence":"additional","affiliation":[{"name":"Medical Center \u2010 University of Freiburg, Center for Dental Medicine, Department of Prosthetic Dentistry, Faculty of Medicine University of Freiburg  Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,1,27]]},"reference":[{"key":"e_1_2_10_2_1","unstructured":"Adilstam F. andM.Iverhed.2003.\u201cPatent SE032539\u20102. 2006.\u201d"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.archoralbio.2013.04.011"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708\u20108208.2007.00054.x"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12711"},{"key":"e_1_2_10_6_1","volume-title":"Practical Statistics for Medical Research","author":"Altman D. 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