The objective of this work is to predict the effective material properties of nano-particle reinforced resin-based dental composites using the Mori-Tanaka theory. The results were validated against the finite element simulation of a representative volume element of the microstructure. The influences of nano-particle properties, aspect ratio and volume fraction were examined in terms of effective Young’s modulus and yield strength of the composite. Cohesive material will be used to assess the damage at inter-phase.

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