Abstract
Acrylic resin is widely used as the denture base material, but a failure of the upper complete denture often happens during its use. Therefore, the denture base made of acrylic resin should be reinforced by something else. So, the authors have thought of improving the strength and rigidity by laminating the organic fiber reinforced plastics on the palatal surface of the denture base, which is called the canape construction. In this paper, the flexural strength, fatigue strength and the modulus of elasticity in bending of the canape construction were investigated as basic experiment. As the result, the flexural and fatigue strengths have been improved to 160% and 130% of the denture base acrylic resin, respectively. And the modulus of elasticity in bending has been improved 80%. Therefore, it seems that this new combination of materials using the canape construction might be applied well enough to the denture base.
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