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Type: Artigo de periódico
Title: Preparation and Evaluation of Dental Resin Luting Agents with Increasing Content of Bisphenol-A Ethoxylated Dimethacrylate
Author: Moraes, RR
Sinhoreti, MAC
Correr-Sobrinho, L
Ogliari, FA
Piva, E
Petzhold, CL
Abstract: Resin luting agents in which bisphenol-A glycidyl dimethacrylate (Bis-GMA) and/or triethylene glycol dimethacrylate (TEGDMA) are replaced with increasing amounts of bisphenol-A ethoxylated dimethacrylate are prepared. Degree of conversion (DC), diametral tensile strength (DTS), Young's modulus (YM), Knoop hardness (KHN), film thickness (FT), water sorption (W(sp)), and solubility are evaluated. Regression analyses investigate the substitution of each monomer. The most appreciable differences are detected when TEGDMA is replaced: decreased DC, DTS, and W(sp), and increased YM, KHN, and FT. For substitution of Bis-GMA, the only significant differences are reduced W(sp) and increased YM. An ideal formulation of resin cement would make use of the three monomers.
Subject: degree of conversion
elastic modulus
mechanical properties
resin cements
water sorption/solubility
Country: Inglaterra
Editor: Sage Publications Ltd
Citation: Journal Of Biomaterials Applications. Sage Publications Ltd, v. 24, n. 5, n. 453, n. 473, 2010.
Rights: fechado
Identifier DOI: 10.1177/0885328208098594
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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