Studies have shown that certain brands of denture cream, Fixodent and Poligrip can cause serious nervous system damage. These particular brands contain high levels of zinc, which can lead to numbness, tingling, loss of sensation, and loss of movement of the arms and legs. Hupy and Abraham is currently investigating these claims. If you or a loved one is experiencing the symptoms above, and is currently using one of these products, please contact us at (800) 800-5678.