2015
DOI: 10.5005/jp-journals-10015-1316
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Influence of Chemical Degradation and Toothbrushing on Surface of Composites

Abstract: Objective The aim of this study was to evaluate the effect of chemical degradation media associated with brushing on surface roughness (Ra) and Knoop microhardness (KHN) analyses of different composites. Materials and methods Eighty specimens were prepared for each composite: GrandioSO (Voco), Amaris (Voco), Filtek Supreme (3M ESPE), Filtek LS (3M ESPE). The specimens were divided into four groups according to the immersion in chemical degradation media for 7 days: artificial saliva (control), heptane, 0.02 … Show more

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Cited by 5 publications
(1 citation statement)
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“…In addition, insufficient polymerization causes inadequate irradiation from the light curing units and increases the residual monomer content, increasing water sorption as well as staining molecules [ 10 , 11 ]. The use of higher concentrations of photoinitiator and tertiary amine in the material formulation can also increase color alteration [ 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…In addition, insufficient polymerization causes inadequate irradiation from the light curing units and increases the residual monomer content, increasing water sorption as well as staining molecules [ 10 , 11 ]. The use of higher concentrations of photoinitiator and tertiary amine in the material formulation can also increase color alteration [ 12 ].…”
Section: Introductionmentioning
confidence: 99%