AIM: To investigate the difference of histological reaction between carbonated hydroxyapatite cement and calcium phosphate cement, and assess the significance and effect of carbonate ion in hydroxyapatite cement on histocompatibility.

• 目的:观察碳酸化羟基磷灰石骨水泥与磷酸钙骨水泥的组织学反应差异,判定羟基磷灰石骨水泥中碳酸根存在的意义及其对组织相容性的影响。