Objective To investigate the effect of different diameter powder on setting time and compressive stress of carbonated hydroxyapatite cement (CHC).

• 目的 检测不同粉体粒径对碳酸化羟基磷灰石水泥 (carbonatedhydroxyapatitecement,CHC)的固化时间和压缩强度的影响 ,为其修复骨缺损提供理论基础。