A new study compares fiber-reinforced composite and titanium implants. In the study researchers have analyzed how the two materials affect stress and strain on the implant and the bone tissue surrounding it. They have also compared interfacial stresses between the materials under three directions of load.
As per the study distribution of stress and strain to the jawbone is significantly changed after reconstruction with oral implants but how an implant using fiber-reinforced composite reacts has not yet been tested. Therefore, this study used a three-dimensional finite element model constructed from a mandibular bone and an implant to test these materials. The model was subjected to stress loads of 50 N (Newton) in vertical and horizontal directions.
Although variances were observed for both the fiber-reinforced composite and the titanium materials with these tests, the composite performed well. The strain distribution demonstrated a clear difference between the two materials. The results indicate that the vertical load stress range of the fiber-reinforced composite implant was close to the stress level for optimal bone growth. The composite implant also proved to have a more even distribution of stress at the bone surrounding the implant than the titanium.
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