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Types of injectable/implantable materials
| Category | Details |
| Conventional | Carbon |
| Teflon or silicon biomaterial beads | |
| Collagen | |
| Autologous fat | |
| Newer | Non-animal stabilized hyaluronic acid/dextranomer |
| Pilot | Self-expandable hyexpan (polyacrylonitrile) prosthesis |
| Future | Stem cells |
