Disclosed herein is an implant for use in stimulating tissue growth. The implant comprises a body with a body core and a body surface. The body is made from a non-hydrogel polymer material. A tissue growth stimulating material is disposed within the body core or deposited onto the body surface, in an amount which is sufficient to stimulate tissue growth within the body core or adjacent to the body surface. Also disclosed are implant bodies made from ceramic, metallic materials, and non-copper containing hydrogels.