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The use of a masticatory robot to analyze the shock absorption capacity of different restorative materials for
Enrico Conserva1, Maria Menini, Tiziano Tealdo
1Department of Fixed and Implant Prosthodontics, Genoa University, Genova, Italy. studioconserva@libero.it
Purpose:
This study was conducted to measure, in vitro, the chewing load forces transmitted through crowns made of different prosthetic restorative materials onto dental implants.
Materials And Methods:
A masticatory robot capable of reproducing the mandibular movements and the forces exerted during chewing was used. The forces transmitted to the simulated peri-implant bone during the robot mastication were analyzed using four different occlusal materials: three resin composites and one glass ceramic crown.
Results:
The ceramic crowns transmitted significantly greater forces (up to +63.06%, P < .0001) than the composite crowns tested.
Conclusion:
Composite crowns are better able to absorb shock from occlusal forces than crowns made of ceramic material.
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