| Name of the Calcium Phosphate Phases Including Abbreviations | Chemical Formula |
|---|---|
| Monocalcium phosphate monohydrate (MCPM) | Ca(H2PO4)2 ∙ H2O |
| Monocalcium phosphate anhydrate (MCPA) | Ca(H2PO4)2 |
| Dicalcium phosphate dihydrate (DCPD, “brushite”) | CaHPO4 ∙ 2 H2O |
| Dicalcium phosphate anhydrate (DCPA, “monetite”) | CaHPO4 |
| Octacalcium phosphate (OCP) | Ca8(HPO4)2(PO4)4 ∙ 5 H2O |
| α-tricalcium phosphate (α-TCP) | α-Ca3(PO4)2 |
| β-tricalcium phosphate (β-TCP) * | β-Ca3(PO4)2 |
| Amorphous calcium phosphate (ACP) * | Cax(PO4)y ∙ n H2O |
| Calcium-deficient hydroxyapatite (CDHA) | Ca10-x(HPO4)x(PO4)6-x(OH)2-x (0<x<1) |
| Hydroxyapatite (HAP) * | Ca5(PO4)3(OH) |
| Tetracalcium phosphate (TTCP) | Ca4(PO4)2O |