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SSALT was performed until specimen failure. Use level probability Weibull curve and reliability were calculated and plotted. Weibull modulus (m) and characteristic strength (\u03b7) were also calculated. Polarized light microscope and scanning electron microscope were used to characterize fractures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Failures were dictated by material strength rather than fatigue damage accumulation. The probability of survival for loads reaching 100 and 150\u2009N in 100,000\u2009cycles was 92 and 61%, respectively. No cracks or fractures were identified in the veneered porcelain, whereas abutment fixation screw fracture was the chief failure mode.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Implant\u2010supported PFM four\u2010unit dentogingival prostheses with minimum metal framework dimensions presented favorable lifetime prediction under fatigue testing. Fractures were restricted to fixation screws.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical significance<\/jats:title><jats:p>In\u2010vitro fatigue testing and failure mode analyses evidenced favorable lifetime prediction for 4\u2010unit implant\u2010supported dentogingival prostheses with minimum metal frameworks. Abutment fixation screw fracture might be the most frequent clinical complication. Since this proof of concept has been tested in\u2010vitro, further studies including different restorative materials, as well as long\u2010term clinical trials are warranted.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jerd.12704","type":"journal-article","created":{"date-parts":[[2021,1,15]],"date-time":"2021-01-15T03:26:43Z","timestamp":1610681203000},"page":"605-612","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Mechanical testing of <scp>four\u2010unit implant\u2010supported<\/scp> prostheses with extensive pink gingiva porcelain: The dentogingival prostheses proof of concept"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7184-8485","authenticated-orcid":false,"given":"Ernesto B.","family":"Benalc\u00e1zar Jalkh","sequence":"first","affiliation":[{"name":"Department of Prosthodontics and Periodontology University of S\u00e3o Paulo, Bauru School of Dentistry  Bauru SP Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juvenal de Souza","family":"Neto","sequence":"additional","affiliation":[{"name":"JSN Oral Design Institute  New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5006-2184","authenticated-orcid":false,"given":"Edmara T. 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