2013
DOI: 10.14295/bds.2013.v16i1.854
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Influence of glass fiber reinforcement and resin viscosity on the fracture strength of adhesive partial fixed prosthetic dentures

Abstract: O objetivo deste estudo foi avaliar a influência do reforço com fibra de vidro e viscosidade da resina na resistência à fratura de prótese parcial fixa adesiva (PPFA). Um molde de aço inoxidável foi confeccionado simulando preparos oclusais para PPFA em primeiro pré-molar superior (4x4x2mm) e molar (6x4x2mm), com uma caixa proximal (2x1x4mm) e 7mm de distância entre eles. Esses moldes foram duplicados em poliuretano (n = 60) e divididos em dois grupos de acordo com a viscosidade da resina: G - Grandio SO (VOCO… Show more

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Cited by 2 publications
(1 citation statement)
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“…Reinforcing different polymers with fibers results in an improvement in the mechanical properties of temporary restorations, including diametric strength, final tensile strength, and compressive strength, which might be possibly explained by the transfer of stresses from the poor polymer matrix to fibers with high flexural strength[30] because reinforcing of the material with fiber results in better distribution of the forces applied within the material, resulting in a decrease in the transfer of stress and homogenization of the forces applied. [36] In the present study too, the reason for a higher fracture resistance of the fiber-reinforced samples is the same.…”
Section: Discussionsupporting
confidence: 64%
“…Reinforcing different polymers with fibers results in an improvement in the mechanical properties of temporary restorations, including diametric strength, final tensile strength, and compressive strength, which might be possibly explained by the transfer of stresses from the poor polymer matrix to fibers with high flexural strength[30] because reinforcing of the material with fiber results in better distribution of the forces applied within the material, resulting in a decrease in the transfer of stress and homogenization of the forces applied. [36] In the present study too, the reason for a higher fracture resistance of the fiber-reinforced samples is the same.…”
Section: Discussionsupporting
confidence: 64%