ObjectiveTo increase the macroporosity by adding polyglycolide acid(PGA) microspheres into carbonated hydroxyapatite(CHA) cement to prepare macroporous carbonated hydroxyapatite (MCHA) cement.

• 目的在碳酸化羟基磷灰石水泥原位固化的基础上,加入合适粒径的聚羟基乙酸(PGA)颗粒,来增加CHA水泥中的大孔率。