Stress shielding

Type of reduction in bone density

Stress shielding is the reduction in bone density (osteopenia) as a result of removal of typical stress from the bone by an implant. This is because by Wolff's law, bone in a healthy person or animal remodels in response to the loads it is placed under. It is possible to mention the elastic modulus of magnesium compared to titanium, stainless steel, iron, or zinc, which makes it further analogous to the natural bone of the body and prevents stress shielding phenomena. Porous implantation is one typical alleviation method.

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