Abstract: Titanium and its alloys as bone-substitutes nave oeen used clinically for bone-substitute biomaterials due to their excellent bioeompatibility,meehanieal properties.

• 文章摘要: 钛及钛合金具有优良的生物相容性和机械性能，已应用于临床．尤其是用作骨替换与修复材料。