Abstract
Inappropriate implant loading has been suggested as one of the most important factors for late failures of endosseous oral implants. In order to quantify peri-implant bone stresses and strains for a controlled load applied during an animal experiment, an anatomical finite element model was built. Marginal bone loss that occurred during the animal experiment could only partially be related to overload. Furthermore, it is hypothesised that relative motion between bone and implant could have also played a role in the marginal bone response. In order to further explore the relation between marginal bone resorption and overload, a computer algorithm was developed that simulates overload-induced marginal bone loss. It was found that marginal bone resorption can be arrested due to a redistribution of the peri-implant bone stresses.
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