7 CONCLUSÕES
A partir dos resultados obtidos e considerando-se todas as limitações do presente estudo, pode-se concluir:
1. A aplicação do filme vitrocerâmico na concentração de 0,5g/ml a 1200oC produz superfície heterogênea, com cristais de sílica fundidos adesivamente ao substrato de zircônia e apresenta elevado conteúdo de cálcio e sílica superficial na cerâmica VITA In-Ceram Zircônia Y-TZP.
2. A resistência adesiva a microtração mediante aplicação do filme vitrocerâmico é estatisticamente superior ao uso do método de silicatização Rocatec, estando esse fato correlacionado a melhor interação química mediada pelo processo de silanização comum na superfície da Zircônia modificada pelo filme vitrocerâmico.
3. As microscopias eletrônicas de varredura demonstram predominância de fraturas do tipo adesivas no grupo que empregou Rocatec ao passo que fraturas adesivas, mistas e coesivas foram observadas no grupo experimental em que se aplicou o filme vitrocerâmico.
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ANEXOS
ANEXO A - Relatório Estatístico – Resistência Flexural. Elaborado pelo Programa SPSS 17.0 for Windows.
Teste de Normalidade da Distribuição dos Dados
Tests of Normality
Kolmogorov-Smirnova Shapiro-Wilk
Statistic DF Sig. Statistic df Sig.
Resistência Adesiva (Mpa) ,096 83 ,057 ,959 83 ,009
a. Lilliefors Significance Correction
ANEXO B - Comparações entre os grupos controle x experimental pelo Teste-T.
Dados Descritivos
Grupos N Médias Desvio Padrão
Resistência Adesiva (Mpa) Controle 31 13,3980 6,80516
Teste-T
Independent Samples Test
t-test for Equality of Means
df Sig. (2-tailed) Mean Difference
Resistência Adesiva (Mpa) Equal variances assumed 81 ,000 -12,76162