{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T14:33:47Z","timestamp":1770820427375,"version":"3.50.1"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2012,3,19]],"date-time":"2012-03-19T00:00:00Z","timestamp":1332115200000},"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":[[2013,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Biological and mechanical implant\u2010abutment connection complications and failures are still present in clinical practice, frequently compromising oral function. The purpose of this study was to evaluate the reliability and failure modes of anterior single\u2010unit restorations in internal conical interface (<jats:styled-content style=\"fixed-case\">ICI<\/jats:styled-content>) implants using step\u2010stress accelerated life testing (<jats:styled-content style=\"fixed-case\">SSALT<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Forty\u2010two <jats:styled-content style=\"fixed-case\">ICI<\/jats:styled-content> implants were distributed in two groups (<jats:italic>n<\/jats:italic>\u00a0=\u00a021 each): group <jats:styled-content style=\"fixed-case\">AT<\/jats:styled-content>\u2013OsseoSpeed<jats:sup>\u2122<\/jats:sup> TX (Astra Tech, Waltham, MA, USA); group <jats:styled-content style=\"fixed-case\">SV<\/jats:styled-content>\u2013Duocon System Line, Morse Taper (Signo Vinces Ltda., Campo Largo, PR, Brazil). The corresponding abutments were screwed to the implants and standardized maxillary central incisor metal crowns were cemented and subjected to <jats:styled-content style=\"fixed-case\">SSALT<\/jats:styled-content> in water. Use\u2010level probability <jats:styled-content style=\"fixed-case\">W<\/jats:styled-content>eibull curves and reliability for a mission of 50,000 cycles at 200\u00a0N were calculated. Differences between groups were assessed by <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>ruskal\u2013<jats:styled-content style=\"fixed-case\">W<\/jats:styled-content>allis along with <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>onferroni's post\u2010hoc tests. Polarized\u2010light and scanning electron microscopes were used for failure analyses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The Beta (\u03b2) value derived from use level probability <jats:styled-content style=\"fixed-case\">W<\/jats:styled-content>eibull calculation was 1.62 (1.01\u20132.58) for group <jats:styled-content style=\"fixed-case\">AT<\/jats:styled-content> and 2.56 (1.76\u20133.74) for group <jats:styled-content style=\"fixed-case\">SV<\/jats:styled-content>, indicating that fatigue was an accelerating factor for failure of both groups. The reliability for group <jats:styled-content style=\"fixed-case\">AT<\/jats:styled-content> was 0.95 and for group <jats:styled-content style=\"fixed-case\">SV<\/jats:styled-content> was 0.88. <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>ruskal\u2013<jats:styled-content style=\"fixed-case\">W<\/jats:styled-content>allis along with <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>onferroni's <jats:italic>post\u2010hoc<\/jats:italic> tests showed no significant difference between the groups tested (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.27). In all specimens of both groups, the chief failure mode was abutment fracture at the conical joint region and screw fracture at neck's region.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Reliability was not different between investigated <jats:styled-content style=\"fixed-case\">ICI<\/jats:styled-content> connections supporting maxillary incisor crowns. Failure modes were similar.<\/jats:p><\/jats:sec>","DOI":"10.1111\/j.1600-0501.2012.02443.x","type":"journal-article","created":{"date-parts":[[2012,3,19]],"date-time":"2012-03-19T06:20:37Z","timestamp":1332138037000},"page":"197-202","source":"Crossref","is-referenced-by-count":40,"title":["Reliability and failure modes of internal conical dental implant connections"],"prefix":"10.1111","volume":"24","author":[{"given":"Amilcar C.","family":"Freitas\u2010J\u00fanior","sequence":"first","affiliation":[{"name":"Postgraduate Program in Dentistry School of Health Sciences Potiguar University \u2010 UnP Natal RN Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erika O.","family":"Almeida","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics S\u00e3o Paulo State University Ara\u00e7atuba School of Dentistry Ara\u00e7atuba S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Estevam A.","family":"Bonfante","sequence":"additional","affiliation":[{"name":"Postgraduate Program in Dentistry UNIGRANRIO University\u2013School of Health Sciences Duque de Caxias RJ Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nelson R.F.A.","family":"Silva","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics New York University College of Dentistry New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paulo G.","family":"Coelho","sequence":"additional","affiliation":[{"name":"Department of Biomaterials and Biomimetics Director for Research, Department of Periodontology and Implant Dentistry New York University College of Dentistry New York NY USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,3,19]]},"reference":[{"key":"e_1_2_6_2_1","volume-title":"The New Weibull Handbook","author":"Abernethy R.","year":"2006"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00008505-199600540-00002"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9290(03)00177-5"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2010.00934.x"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2004.01023.x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034509333968"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dental.2009.03.009"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.0909-8836..t01-6-.x"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100501.2011.02269.x"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2004.75.4.572"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2001.72.10.1372"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2007.01453.x"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2004.01.001"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1067\/mpr.2002.129384"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2002.73.10.1111"},{"key":"e_1_2_6_17_1","first-page":"516","article-title":"Multicenter retrospective analysis of the iti implant system used for single\u2010tooth replacements: results of loading for 2 or more years","volume":"14","author":"Levine R.A.","year":"1999","journal-title":"The International Journal of Oral & Maxillofacial Implants"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/jbm.b.31211"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2008.01649.x"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2010.100243"},{"key":"e_1_2_6_21_1","first-page":"519","article-title":"Mechanics of the implant\u2010abutment connection: an 8\u2010degree taper compared to a butt joint connection","volume":"15","author":"Merz B.R.","year":"2000","journal-title":"The International Journal of Oral & Maxillofacial Implants"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/9780470316795.ch10"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1109\/TR.2005.847247"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0501.2000.011005458.x"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-9969(96)00106-9"},{"key":"e_1_2_6_26_1","volume-title":"Fractography of Metals and Plastics. 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