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Modulus of elasticity is one of the mechanical properties of composite resins affects the resistance to deformation, the strength of bonding with tooth structure and wear resistance. Modulus of elasticity is determined by the volume fraction of filler particles as the inorganic phase composite resin. This literature study aims to evaluate the size, shape and type of filler particles that affect the modulus of elasticity for composite resin. In a constant volume fraction, the larger size of filler material tends to make more rigid while irregular shape of particles produces higher modulus of elasticity than spherical form of particles. In addition, the type of filler particles also determines the modulus of elasticity for resin composite, such as silica as the main type of filler particles will enhance the modulus of elasticity whereas zirconium can result in a higher stiffness. In order to get composite resin restoration with appropriate modulus of elasticity the necessary knowledge about the effect of different filler particle is required.

Pengaruh partikel filler terhadap modulus elastisitas resin komposit Effect of filler particles on the elastic moduli of resin composites