Many uncemented components have predominantly fibrous tissue at the fixation interface instead of bony ingrowth.64 Hydroxyapatite has been used to enhance bone ingrowth and stimulate bony gap closure.

• 很多非骨水泥假体的固定表面主要是纤维组织长入而非骨长入。应用羟基磷灰石涂层促进骨长入以及刺激骨空隙闭合。