{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T20:31:30Z","timestamp":1788985890036,"version":"build-2803163510"},"reference-count":26,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T00:00:00Z","timestamp":1724284800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare marginal bone levels, biological, and technical outcomes of screw\u2010retained versus cemented all\u2010ceramic implant\u2010supported zirconia\u2010based single crowns after an observation period of 7.5\u2009years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Forty\u2010four single implants in the esthetic zone in 44 patients (22 females, 22 males) were randomly assigned to two types of restorations: SR (screw\u2010retained); veneered one\u2010piece zirconia abutment and CR (cement\u2010retained); veneered lithium disilicate crown intraorally cemented on a one\u2010piece zirconia abutment. Patients were recalled annually up to 7.5\u2009years and survival rates, biological, and technical parameters assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 31 patients attended the 7.5\u2010year follow\u2010up visit (17 SR group, 14 CR group). The survival rate on the restorative level was 77.5% (74.0% CR, 81.0% SR,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.6399). Median marginal bone loss (MBL) values yielded \u22120.073\u2009mm (\u22120.305; 0.238) in the CR and \u22120.215\u2009mm (\u22120.500; 0.555) in the SR group (intergroup\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.6194). Mean bleeding on probing (BoP) values were significantly in favor of group SR with 20\u2009\u00b1\u200917% compared to 40\u2009\u00b1\u200922% in group CR (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.011). The overall biological complication rate amounted to 27.5% (42.1% CR, 14.3% SR,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.0775), whereas the technical complication rate was 32.5% (42.1% CR, 23.8% SR,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.314). In total, CR restorations showed significantly more complications (84.2% for CR, 38.1% for SR,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u2009.0041).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>One\u2010piece zirconia\u2010based single crowns on two\u2010piece dental implants exhibited a high rate of technical and biological complications at 7.5\u2009years of follow\u2010up. Cemented restorations revealed significant higher rates of bleeding on probing and total complications compared to screw\u2010retained restorations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/clr.14346","type":"journal-article","created":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T17:27:26Z","timestamp":1724347646000},"page":"1669-1675","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["A 7.5\u2010year randomized controlled clinical study comparing cemented and screw\u2010retained one\u2010piece zirconia\u2010based implant\u2010supported single crowns"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6271-5325","authenticated-orcid":false,"given":"Riccardo D.","family":"Kraus","sequence":"first","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center for Dental Medicine University of Zurich  Zurich 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Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2055-1320","authenticated-orcid":false,"given":"Ronald E.","family":"Jung","sequence":"additional","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center for Dental Medicine University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1764-7447","authenticated-orcid":false,"given":"Daniel S.","family":"Thoma","sequence":"additional","affiliation":[{"name":"Clinic of Reconstructive Dentistry, Center for Dental Medicine University of Zurich  Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,8,22]]},"reference":[{"issue":"4","key":"e_1_2_10_2_1","first-page":"229","article-title":"Problems and proposals for recording gingivitis and plaque","volume":"25","author":"Ainamo J.","year":"1975","journal-title":"International 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