{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T04:43:55Z","timestamp":1780375435387,"version":"3.54.1"},"reference-count":45,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2024,2,2]],"date-time":"2024-02-02T00:00:00Z","timestamp":1706832000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001807","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","doi-asserted-by":"publisher","award":["#2014\/11860\u20103"],"award-info":[{"award-number":["#2014\/11860\u20103"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This study aimed to develop and evaluate a simple, non\u2010destructive method for assessing the misfit and passivity of implant\u2010retained prostheses frameworks.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>To simulate the rehabilitation of a mandible posterior partially edentulous area using 3\u2010unit screw\u2010retained frameworks supported by two implants were fabricated and divided into the following five groups (<jats:italic>n<\/jats:italic> = 10 in each group): OP = one\u2010piece framework cast in Co\u2010Cr with the conventional method (control\u2010group); Co\u2010Cr frameworks sectioned and welded by laser (=LAS) or tungsten inert gas (=TIG); Co\u2010Cr CAD\u2010CAM = milled Co\u2010Cr framework; Zir CAD\u2010CAM = milled zirconia framework. The horizontal |X| and vertical |Y| misfits were measured using confocal laser scanning microscopy with one or both screws tightened. Data were analyzed by a two\u2010way ANOVA with repeated measures and Bonferroni correction (<jats:italic>\u03b1<\/jats:italic> = 0.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The greatest |X| misfit was observed in the OP group with both screws tightened (290\u00a0\u00b5m) and one screw tightened (388 and 340\u00a0\u00b5m). The conventional casting groups sectioned and welded by laser or TIG had lower mean values (235.35\u00a0\u00b5m, both screws tightened; and 275\u00a0\u00b5m, one screw tightened) than the OP framework. However, these values still exceeded those of the milled Co\u2010Cr and zirconia frameworks (190 and 216\u00a0\u00b5m with both screws tightened). Across all reading conditions, every framework subjected to testing consistently maintained vertical |Y| misfit levels below the threshold of 53\u00a0\u00b5m; however, the milled frameworks exhibited higher vertical misfits than the frameworks obtained by the conventional cast method.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The frameworks, whether cast and sectioned with laser welding or milled from Co\u2010Cr, exhibit improved marginal misfit and enhanced passive fit when compared to other fabrication methods. Additionally, the use of confocal laser scanning microscopy is highly effective for passivity and misfit analysis.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.13826","type":"journal-article","created":{"date-parts":[[2024,2,2]],"date-time":"2024-02-02T13:50:21Z","timestamp":1706881821000},"page":"403-411","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["An in vitro study using confocal laser scanning microscopy to evaluate the marginal misfits of different implant\u2010supported frameworks"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7949-9980","authenticated-orcid":false,"given":"Bruna S. H.","family":"Tonin","sequence":"first","affiliation":[{"name":"Department of Dental Material and Prosthesis, Ribeir\u00e3o Preto School of Dentistry University of S\u00e3o Paulo (USP) Ribeir\u00e3o Preto S\u00e3o Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Fu","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, The Affiliated Hospital of Qingdao University School of Stomatology of Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6845-0767","authenticated-orcid":false,"given":"Raniel F.","family":"Peixoto","sequence":"additional","affiliation":[{"name":"Department of Dental Material and Prosthesis, Ribeir\u00e3o Preto School of Dentistry University of S\u00e3o Paulo (USP) Ribeir\u00e3o Preto S\u00e3o Paulo Brazil"},{"name":"Department of Restorative Dentistry, Faculty of Pharmacy Dentistry and Nursing, Federal University of Cear\u00e1 (UFC)  Fortaleza Cear\u00e1 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2230-5158","authenticated-orcid":false,"given":"Nicholas G.","family":"Fischer","sequence":"additional","affiliation":[{"name":"Minnesota Dental Research Center for Biomaterials and Biomechanics, School of Dentistry University of Minnesota (UMN)  Minneapolis Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regina M.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Department of Dental Material and Prosthesis, Ribeir\u00e3o Preto School of Dentistry University of S\u00e3o Paulo (USP) Ribeir\u00e3o Preto S\u00e3o Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patr\u00edcia A.","family":"Curylofo","sequence":"additional","affiliation":[{"name":"Department of Dental Material and Prosthesis, Ribeir\u00e3o Preto School of Dentistry University of S\u00e3o Paulo (USP) 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