The volumetric fraction of inorganic particles and the flexural strength of composites for posterior teeth

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorAdabo, Gelson Luis
dc.creatorCruz, CAD
dc.creatorFonseca, Renata Garcia
dc.creatorVaz, Luis Geraldo
dc.date2014-05-20T13:46:17Z
dc.date2016-10-25T17:00:03Z
dc.date2014-05-20T13:46:17Z
dc.date2016-10-25T17:00:03Z
dc.date2003-07-01
dc.date.accessioned2017-04-05T20:54:39Z
dc.date.available2017-04-05T20:54:39Z
dc.identifierJournal of Dentistry. Oxford: Elsevier B.V., v. 31, n. 5, p. 353-359, 2003.
dc.identifier0300-5712
dc.identifierhttp://hdl.handle.net/11449/16358
dc.identifierhttp://acervodigital.unesp.br/handle/11449/16358
dc.identifier10.1016/S0300-5712(03)00049-6
dc.identifierWOS:000183589600007
dc.identifierhttp://dx.doi.org/10.1016/S0300-5712(03)00049-6
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/863174
dc.descriptionObjective. To evaluate the content of inorganic particles and the flexural strength of new condensable composites for posterior teeth in comparison to hybrid conventional composites.Method. The determination of the content of inorganic particles was performed by mass weighing of a polymerized composite before and after the elimination of the organic phase. The volumetric particle content was determined by a practical method based on Archimedes' principle, which calculates the volume of the composite and their particles by differential mass measured in the air and in water. The flexural. strength of three points was evaluated according to the norm ISO 4049:1988.Results. The results showed the following filter content: Alert, 67.26%; Z-100, 65.27%; Filtek P 60, 62.34%; Ariston pHc, 64.07%; Tetric Ceram, 57.22%; Definite, 54.42%; Solitaire, 47.76%. In the flexural strength test, the materials presented the following decreasing order of resistance: Filtek P 60 (170.02 MPa) > Z-100 (151.34 MPa) > Tetric Ceram (126.14 MPa) = Alert (124.89 MPa) > Ariston pHc (102.00 MPa) = Definite (93.63 MPa) > Solitaire (56.71 MPa).Conclusion. New condensable composites for posterior teeth present a concentration of inorganic particles similar to those of hybrid composites but do not necessarily present higher flexural strength. (C) 2003 Elsevier B.V. Ltd. Alt rights reserved.
dc.languageeng
dc.publisherElsevier B.V.
dc.relationJournal of Dentistry
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectcomposite resins
dc.subjectphysical characteristics
dc.subjectdental esthetics
dc.titleThe volumetric fraction of inorganic particles and the flexural strength of composites for posterior teeth
dc.typeOtro


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