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Brazilian Dental Science
Article . 2010 . Peer-reviewed
Data sources: Crossref
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Brazilian Dental Science
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Estabilidade de cor de uma resina composta indireta

Authors: Rodrigo Othávio de Assunção e Souza; Silvia Masae de Araújo Michida; Marco Antonio Bottino; Fernando Eidi Takahashi; Ivan Balducci;

Estabilidade de cor de uma resina composta indireta

Abstract

A cor das resinas compostas indiretas é um dos mais importantes fatores no sucesso do tratamento protético. Com este material a estabilidade de cor é aspecto preponderante na longevidade deste trabalho. A proposta deste estudo foi avaliar a estabilidade de cor de resina composta indireta (Resilab Master, Wilcos – Brasil) através de um colorímetro digital. Foram confeccionados 32 corpos-de-prova (CP). Realizou-se o registro inicial da cor de cada CP, através de um colorímetro digital, que foram distribuídos em 4 grupos (n=8) e imersos em diferentes soluções. Grupo 1 (controle): água destilada/estufa; Grupo 2: água destilada/termociclagem; Grupo 3 : suco de laranja/termociclagem e Grupo 4: café/termociclagem. Após termociclagem e imersão em estufa (tempo total aproximado de 60 horas), as amostras foram enxaguadas e o registro final da cor foi obtido. Os dados foram submetidos à análise estatística (Teste de Dunnet – p<0,005). Os resultados mostraram que os valores de ΔE (diferença de cor) e desvio padrão dos grupos foram: G1: 2,35±0,84; G2: 2,97±1,21; G3: 8,33±5,87; G4: 22,38±5,33. Foi observado que os grupos 3 e 4 diferiram estatisticamente do grupo 1, exceto o grupo 2 que não foi estatisticamente significante. Baseado nos resultados, conclui-se que a termociclagem contribui para uma alteração de cor da resina composta indireta e a solução de café mancha mais do que o suco de laranja.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold