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The effect of aesthetic fibres on the strength of acrylic resin denture base material.

Aesthetic fibres are added to denture base polymers to simulate the natural appearance. The aim of this study was to measure the effect of aesthetic fibres on the low strain rate transverse bend strength and the high strain rate impact strength of an acrylic resin denture base material. Varying amounts of 2 and 4 mm Viscose Rayon aesthetic fibres, ranging from 0.1 to 3%, were incorporated into the polymer to evaluate their effect on these strength properties. The results showed that the fibres had minimal physical effect and that bonding of the fibres to the denture base polymer is not uniform or complete.