Abstract
Abstract Fracture mechanics methods have recently been applied to predict strength of adhesive systems. In this paper, the tooth-denture base bond strength is used to demonstrate the application of these techniques. Because of the complex geometric and material parameters involved, a finite element computer program was required to obtain the strain energy release rate values as the tooth debonds from the denture base. Adhesive strength parameters are shown to be a function of load application rate. Cinematography was used to determine debond propagation rate and demonstrate that debond rate is a function of load rate.
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