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International Journal of Esthetic Dentistry  (English Edition)



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Int J Esthet Dent 8 (2013), No. 4     13. Nov. 2013
Int J Esthet Dent 8 (2013), No. 4  (13.11.2013)

Page 558-568, PubMed:24624378

Preheating of resin-based flowable materials in a microwave device: a promising approach to increasing hardness and softening resistance under cariogenic challenge
Borges, Boniek Castillo Dutra / Barreto, Adrielle Silva / Gomes, Cláudia Lobelli Rangel / Silva, Talles Rodrigo Santiago Freitas / Alves-Júnior, Clodomiro / Pinheiro, Isauremi Vieira de Assuncao / Braz, Rodivan / Montes, Marcos Antonio Japiassú Resende
This study aimed to evaluate whether preheated resin-based flowable restoratives would show increased hardness and softening susceptibility after an early cariogenic challenge. Fluroshield- Yellowed, Bioseal, Wave, Master Flow, Fluroshield-White, Conseal F, Filtek Z350 Flow, and Opallis Flow were tested. Preheating was performed using a microwave device. Five specimens of each preheated or room temperature material (n = 5) were fabricated. Hardness was assessed before and after a cariogenic challenge. The analysis was done by two-way analysis of variance (ANOVA) with repeated measures (cariogenic challenge) and Tukey's test for multiple comparisons (