Fabrication and mechanical properties of short sisal fiber reinforced composites used for dental application

摘要

This study investigated the influence of short sisal fiber on the flexural strength and modulus of autopolymerized denture base resin. The effects of untreated (UT) and silane treated (ST) sisal fiber with the length of 2 mm at various concentrations, i.e. 2.5, 5.0, 7.5, 10.0 wt%, were compared. The results showed, wt 10% ST sisal fiber reinforced denture base resin had about the same flexural strength with that of denture base resin without fiber reinforcement, and sisal fiber concentrations lower than wt 10% caused reduction of the flexural strength of denture base resin. Flexural modulus increased with sisal fiber reinforcement, what's more, improvement of ST fiber was more obvious.