Effects of chemical disinfectants on the transverse strength of denture base acrylic resins

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorPavarina, Ana Claudia
dc.creatorMachado, Ana Lucia
dc.creatorGiampaolo, E. T.
dc.creatorVergani, Carlos Eduardo
dc.date2014-05-20T15:25:40Z
dc.date2016-10-25T18:00:11Z
dc.date2014-05-20T15:25:40Z
dc.date2016-10-25T18:00:11Z
dc.date2003-11-01
dc.date.accessioned2017-04-05T23:53:28Z
dc.date.available2017-04-05T23:53:28Z
dc.identifierJournal of Oral Rehabilitation. Oxford: Blackwell Publishing Ltd, v. 30, n. 11, p. 1085-1089, 2003.
dc.identifier0305-182X
dc.identifierhttp://hdl.handle.net/11449/36033
dc.identifierhttp://acervodigital.unesp.br/handle/11449/36033
dc.identifier10.1046/j.1365-2842.2003.01150.x
dc.identifierWOS:000186076000006
dc.identifierhttp://dx.doi.org/10.1046/j.1365-2842.2003.01150.x
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/879627
dc.descriptionThe disinfection of dental prostheses by immersion in a chemical solution should be capable of rapid inactivation of pathogenic microorganisms, without causing any adverse effect on the denture base resins. This study evaluated the effect of disinfection immersion on the transverse strength of two heat-cured resins. The denture base resins (Lucitone 550 and QC 20) were polymerized according to the manufacturers' instructions. After polymerization, the specimens were polished, and then stored in water at 37 degreesC for 50 +/- 2 h prior immersion in one of the following solutions for 10 min: 4% chlorhexidine, 1% sodium hypochlorite and 3.78% sodium perborate. The specimens were submitted to disinfection twice, simulating when dentures come from the patient and before being returned to the patient. Ten specimens were made for each group. The transverse strength was evaluated by a 3-point bend test. The flexural strength of the two denture base acrylic resins evaluated remained unaffected after immersion in the three solutions evaluated. In general, the QC 20 resin specimens exhibited lower transverse strength than the Lucitone 550 resin specimens, regardless of immersion solutions.
dc.languageeng
dc.publisherBlackwell Publishing
dc.relationJournal of Oral Rehabilitation
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectremovable prosthodontics
dc.subjectdenture base acrylic resin
dc.subjectdisinfection
dc.subjecttransverse strength
dc.titleEffects of chemical disinfectants on the transverse strength of denture base acrylic resins
dc.typeOtro


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