Islam explicitly forbids body modification, specifically for aesthetic reasons. While it typically makes exceptions for implants that serve a medical purpose it can still be an uncomfortable choice for many followers of Islam to make. However Singapore-based Osteopore, a manufacturer of bioresorbable medical implants, believes that their products are a culturally-sympathetic option for many muslims. Their customized, 3D printed bioresorbable polymer implants were developed using an FDA-approved polymer called polycaprolactone (PCL) that is bioresorbable, will have virtually no undesirable side-effects and will eventually be entirely replaced by the patient’s own bone tissue. You can read more over on 3DPrint.com: http://3dprint.com/117183/islam-friendly-3dp-implants/