{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T12:30:06Z","timestamp":1772541006000,"version":"3.50.1"},"reference-count":39,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,8,9]],"date-time":"2017-08-09T00:00:00Z","timestamp":1502236800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Research and Development Unit, Region Halland, Halland, Sweden"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2017,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Studies have reported an increased risk for fractures of zirconia abutments compared with titanium abutments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of this study was to evaluate single\u2010tooth implant restorations with one\u2010piece yttria\u2010stabilized internal zirconia abutments on narrow and regular diameter implants up to 6 years after insertion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>This study comprises 52 consecutively treated patients, with a median age of 19 years. In total, 59 narrow (3.3 mm) and 10 regular (4.1 mm) diameter implants were installed. Sixty\u2010five all\u2010ceramic crowns were cemented on implant\u2010supported one\u2010piece internal zirconia abutments and 4 restorations were screw\u2010retained.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Thirty\u2010five patients with 48 implant restorations participated in the final examination and another 14 patients with 16 implant restorations were possible to reach and could be interviewed. The implant survival was 100% but the <jats:italic>survival rate<\/jats:italic> for the implant\u2010supported ceramic restorations was lower, 87.5%. Three crowns (4.7%) were remade for different reasons. Five restorations (7.8%) were remade due to fracture of the internal one\u2010piece zirconia abutment. Four of these fractures occurred in 3.3 mm implant abutments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Narrow diameter implants offer an opportunity to restore small single\u2010tooth edentulous gaps. For esthetical reasons the choice of an abutment in zirconia can be favorable, but at least with the used implant system, there seems to be an increased risk for fracture. Most patients were very satisfied with the esthetics and function of their implant restorations.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12515","type":"journal-article","created":{"date-parts":[[2017,8,9]],"date-time":"2017-08-09T08:34:51Z","timestamp":1502267691000},"page":"916-925","source":"Crossref","is-referenced-by-count":30,"title":["One\u2010piece internal zirconia abutments for single\u2010tooth restorations on narrow and regular diameter implants: A 5\u2010year prospective follow\u2010up study"],"prefix":"10.1111","volume":"19","author":[{"given":"Andr\u00e9e","family":"Nilsson","sequence":"first","affiliation":[{"name":"Division of Prosthetic Dentistry Maxillofacial Unit, Halmstad Hospital Halmstad Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lars\u2010\u00c5ke","family":"Johansson","sequence":"additional","affiliation":[{"name":"Division of Prosthetic Dentistry Maxillofacial Unit, Halmstad Hospital Halmstad Sweden"},{"name":"Department of Periodontology, Faculty of Odontology Malm\u00f6 University Malm\u00f6 Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina","family":"Lindh","sequence":"additional","affiliation":[{"name":"Department of Oral Radiology, Faculty of Odontology Malm\u00f6 University Malm\u00f6 Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anders","family":"Ekfeldt","sequence":"additional","affiliation":[{"name":"Department of Prosthetic Dentistry and Oral Function, Faculty of Dentistry, Institute of Clinical Dentistry University of Oslo Oslo Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,8,9]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2010.00290.x"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12263"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12726"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12975"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.11607\/ijp.4892"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01787.x"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.02114.x"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.11607\/jomi.2668"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12044"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12631"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2012.02556.x"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/clr.12504"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034516681767"},{"key":"e_1_2_8_15_1","first-page":"1239","article-title":"Experimental custom\u2010made zirconia abutments for narrow implants in esthetically demanding regions: a 5\u2010year follow\u2010up","volume":"27","author":"Vanlioglu BA","year":"2012","journal-title":"Int J Oral Maxillofac Implants."},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02410.x"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12903-015-0107-6"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.11607\/ijp.4444"},{"key":"e_1_2_8_19_1","volume-title":"Quality Evaluation for Dental Care. 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