I am considering cheek implants. I understand that they are made of a hard silicone. Is there any danger of this material being in your body?

Risks of facial implants include (but not limited to) pain, infection, bleeding, improper position, need for removal and/or replacement. The benefit of facial implants is that it augments areas where the bony skeleton may be deficient. For example, if your cheek bone is rather flat and not prominent, then a cheek implant would be a good option for you to consider. However, if your cheek bone has good prominence, but you have lost soft tissue volume in the cheek tissues, then augmentation with filler or fat transfer would be a good option for you.